100020122012 has 12 divisors (see below), whose sum is σ = 184247593320. Its totient is φ = 47377952496.

The previous prime is 100020121963. The next prime is 100020122051. The reversal of 100020122012 is 210221020001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100020121984 and 100020122002.

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, 658027043 + ... + 658027194.

It is an arithmetic number, because the mean of its divisors is an integer number (15353966110).

Almost surely, 2^100020122012 is an apocalyptic number.

It is an amenable number.

100020122012 is a deficient number, since it is larger than the sum of its proper divisors (84227471308).

100020122012 is a wasteful number, since it uses less digits than its factorization.

100020122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316054260 (or 1316054258 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 100020122012 its reverse (210221020001), we get a palindrome (310241142013).

The spelling of 100020122012 in words is "one hundred billion, twenty million, one hundred twenty-two thousand, twelve".