1012100202 has 48 divisors (see below), whose sum is σ = 2375904960. Its totient is φ = 310133376.

The previous prime is 1012100197. The next prime is 1012100213. The reversal of 1012100202 is 2020012101.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25302 + ... + 51617.

It is an arithmetic number, because the mean of its divisors is an integer number (49498020).

Almost surely, 2^1012100202 is an apocalyptic number.

1012100202 is an abundant number, since it is smaller than the sum of its proper divisors (1363804758).

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

1012100202 is a wasteful number, since it uses less digits than its factorization.

1012100202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76987 (or 76984 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1012100202 is about 31813.5223136326. The cubic root of 1012100202 is about 1004.0172408324.

Adding to 1012100202 its reverse (2020012101), we get a palindrome (3032112303).

The spelling of 1012100202 in words is "one billion, twelve million, one hundred thousand, two hundred two".