102202010121012 has 144 divisors (see below), whose sum is σ = 245901511611840. Its totient is φ = 33035346699264.

The previous prime is 102202010120953. The next prime is 102202010121017. The reversal of 102202010121012 is 210121010202201.

It is a junction number, because it is equal to n+sod(n) for n = 102202010120982 and 102202010121000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102202010121017) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1057472763 + ... + 1057569405.

Almost surely, 2^{102202010121012} is an apocalyptic number.

102202010121012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102202010121012 is an abundant number, since it is smaller than the sum of its proper divisors (143699501490828).

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

102202010121012 is a wasteful number, since it uses less digits than its factorization.

102202010121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97122 (or 97067 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 102202010121012 its reverse (210121010202201), we get a palindrome (312323020323213).

The spelling of 102202010121012 in words is "one hundred two trillion, two hundred two billion, ten million, one hundred twenty-one thousand, twelve".