100012212122 has 16 divisors (see below), whose sum is σ = 159477530400. Its totient is φ = 46905152400.

The previous prime is 100012212073. The next prime is 100012212137. The reversal of 100012212122 is 221212210001.

It is a junction number, because it is equal to n+sod(n) for n = 100012212097 and 100012212106.

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, 13025372 + ... + 13033047.

It is an arithmetic number, because the mean of its divisors is an integer number (9967345650).

Almost surely, 2^100012212122 is an apocalyptic number.

100012212122 is a deficient number, since it is larger than the sum of its proper divisors (59465318278).

100012212122 is a wasteful number, since it uses less digits than its factorization.

100012212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26058541.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 100012212122 its reverse (221212210001), we get a palindrome (321224422123).

It can be divided in two parts, 10001 and 2212122, that multiplied together give a palindrome (22123432122).

The spelling of 100012212122 in words is "one hundred billion, twelve million, two hundred twelve thousand, one hundred twenty-two".