345214012 has 24 divisors (see below), whose sum is σ = 709741872. Its totient is φ = 144844800.

The previous prime is 345213977. The next prime is 345214027. The reversal of 345214012 is 210412543.

It is a super-2 number, since 2×345214012² = 238345428162272288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301189 + ... + 302332.

It is an arithmetic number, because the mean of its divisors is an integer number (29572578).

Almost surely, 2^345214012 is an apocalyptic number.

It is an amenable number.

345214012 is an abundant number, since it is smaller than the sum of its proper divisors (364527860).

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

345214012 is a wasteful number, since it uses less digits than its factorization.

345214012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603549 (or 603547 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 345214012 is about 18579.9357372409. The cubic root of 345214012 is about 701.5029015699.

Adding to 345214012 its reverse (210412543), we get a palindrome (555626555).

The spelling of 345214012 in words is "three hundred forty-five million, two hundred fourteen thousand, twelve".