245214012 has 12 divisors (see below), whose sum is σ = 572166056. Its totient is φ = 81738000.

The previous prime is 245214007. The next prime is 245214029. The reversal of 245214012 is 210412542.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×245214012² = 120259823362272288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 245214012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10217239 + ... + 10217262.

Almost surely, 2^245214012 is an apocalyptic number.

It is an amenable number.

245214012 is an abundant number, since it is smaller than the sum of its proper divisors (326952044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245214012 is a wasteful number, since it uses less digits than its factorization.

245214012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20434508 (or 20434506 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 245214012 is about 15659.3107127996. The cubic root of 245214012 is about 625.9146178126.

Adding to 245214012 its reverse (210412542), we get a palindrome (455626554).

The spelling of 245214012 in words is "two hundred forty-five million, two hundred fourteen thousand, twelve".