100202122012 has 24 divisors (see below), whose sum is σ = 176698565120. Its totient is φ = 49717508400.

The previous prime is 100202121979. The next prime is 100202122051. The reversal of 100202122012 is 210221202001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100202121983 and 100202122001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 498289 + ... + 669847.

Almost surely, 2^100202122012 is an apocalyptic number.

It is an amenable number.

100202122012 is a deficient number, since it is larger than the sum of its proper divisors (76496443108).

100202122012 is a wasteful number, since it uses less digits than its factorization.

100202122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172681 (or 172679 counting only the distinct ones).

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

Adding to 100202122012 its reverse (210221202001), we get a palindrome (310423324013).

The spelling of 100202122012 in words is "one hundred billion, two hundred two million, one hundred twenty-two thousand, twelve".