100000001222012 has 12 divisors (see below), whose sum is σ = 175001116944696. Its totient is φ = 49999682094960.

The previous prime is 100000001221943. The next prime is 100000001222053. The reversal of 100000001222012 is 210222100000001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100000001221984 and 100000001222002.

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, 78921914 + ... + 80178977.

It is an arithmetic number, because the mean of its divisors is an integer number (14583426412058).

Almost surely, 2^{100000001222012} is an apocalyptic number.

It is an amenable number.

100000001222012 is a deficient number, since it is larger than the sum of its proper divisors (75001115722684).

100000001222012 is a wasteful number, since it uses less digits than its factorization.

100000001222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159258028 (or 159258026 counting only the distinct ones).

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

Adding to 100000001222012 its reverse (210222100000001), we get a palindrome (310222101222013).

The spelling of 100000001222012 in words is "one hundred trillion, one million, two hundred twenty-two thousand, twelve".