102012012202 has 4 divisors (see below), whose sum is σ = 153018018306. Its totient is φ = 51006006100.

The previous prime is 102012012199. The next prime is 102012012227. The reversal of 102012012202 is 202210210201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 94458490281 + 7553521921 = 307341^2 + 86911^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25503003049 + ... + 25503003052.

Almost surely, 2^102012012202 is an apocalyptic number.

102012012202 is a deficient number, since it is larger than the sum of its proper divisors (51006006104).

102012012202 is an equidigital number, since it uses as much as digits as its factorization.

102012012202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51006006103.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 102012012202 its reverse (202210210201), we get a palindrome (304222222403).

The spelling of 102012012202 in words is "one hundred two billion, twelve million, twelve thousand, two hundred two".