102031212102 has 128 divisors (see below), whose sum is σ = 223147975680. Its totient is φ = 30981242880.

The previous prime is 102031212097. The next prime is 102031212137. The reversal of 102031212102 is 201212130201.

It is a super-2 number, since 2×102031212102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 161697327 + ... + 161697957.

It is an arithmetic number, because the mean of its divisors is an integer number (1743343560).

Almost surely, 2^102031212102 is an apocalyptic number.

102031212102 is an abundant number, since it is smaller than the sum of its proper divisors (121116763578).

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

102031212102 is a wasteful number, since it uses less digits than its factorization.

102031212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 102031212102 its reverse (201212130201), we get a palindrome (303243342303).

The spelling of 102031212102 in words is "one hundred two billion, thirty-one million, two hundred twelve thousand, one hundred two".