1012312212102 has 36 divisors (see below), whose sum is σ = 2218264645740. Its totient is φ = 333645925536.

The previous prime is 1012312212073. The next prime is 1012312212161. The reversal of 1012312212102 is 2012122132101.

1012312212102 is a `hidden beast` number, since 1 + 0 + 1 + 231 + 221 + 210 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 17 ways as a sum of consecutive naturals, for example, 3407452 + ... + 3692607.

Almost surely, 2^{1012312212102} is an apocalyptic number.

1012312212102 is an abundant number, since it is smaller than the sum of its proper divisors (1205952433638).

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

1012312212102 is an equidigital number, since it uses as much as digits as its factorization.

1012312212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7100245 (or 7100153 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1012312212102 its reverse (2012122132101), we get a palindrome (3024434344203).

The spelling of 1012312212102 in words is "one trillion, twelve billion, three hundred twelve million, two hundred twelve thousand, one hundred two".