100512122 has 16 divisors (see below), whose sum is σ = 152388000. Its totient is φ = 49719120.

The previous prime is 100512101. The next prime is 100512133. The reversal of 100512122 is 221215001.

It is a junction number, because it is equal to n+sod(n) for n = 100512097 and 100512106.

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, 98129 + ... + 99147.

It is an arithmetic number, because the mean of its divisors is an integer number (9524250).

Almost surely, 2^100512122 is an apocalyptic number.

100512122 is a deficient number, since it is larger than the sum of its proper divisors (51875878).

100512122 is a wasteful number, since it uses less digits than its factorization.

100512122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 100512122 is about 10025.5734000605. The cubic root of 100512122 is about 464.9498878436.

Adding to 100512122 its reverse (221215001), we get a palindrome (321727123).

The spelling of 100512122 in words is "one hundred million, five hundred twelve thousand, one hundred twenty-two".