102010121012 has 12 divisors (see below), whose sum is σ = 182871802596. Its totient is φ = 49761034560.

The previous prime is 102010120999. The next prime is 102010121027. The reversal of 102010121012 is 210121010201.

It can be written as a sum of positive squares in 2 ways, for example, as 40741000336 + 61269120676 = 201844^2 + 247526^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102010120984 and 102010121002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311006303 + ... + 311006630.

It is an arithmetic number, because the mean of its divisors is an integer number (15239316883).

Almost surely, 2^102010121012 is an apocalyptic number.

It is an amenable number.

102010121012 is a deficient number, since it is larger than the sum of its proper divisors (80861681584).

102010121012 is a wasteful number, since it uses less digits than its factorization.

102010121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622012978 (or 622012976 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 102010121012 its reverse (210121010201), we get a palindrome (312131131213).

The spelling of 102010121012 in words is "one hundred two billion, ten million, one hundred twenty-one thousand, twelve".