102002000122012 has 36 divisors (see below), whose sum is σ = 191005463132064. Its totient is φ = 47650569326080.

The previous prime is 102002000121997. The next prime is 102002000122049. The reversal of 102002000122012 is 210221000200201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102002000121983 and 102002000122001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 321874564 + ... + 322191307.

It is an arithmetic number, because the mean of its divisors is an integer number (5305707309224).

Almost surely, 2^{102002000122012} is an apocalyptic number.

It is an amenable number.

102002000122012 is a deficient number, since it is larger than the sum of its proper divisors (89003463010052).

102002000122012 is a wasteful number, since it uses less digits than its factorization.

102002000122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644066046 (or 644066027 counting only the distinct ones).

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

Adding to 102002000122012 its reverse (210221000200201), we get a palindrome (312223000322213).

The spelling of 102002000122012 in words is "one hundred two trillion, two billion, one hundred twenty-two thousand, twelve".