1222012000100 has 36 divisors (see below), whose sum is σ = 2652330906624. Its totient is φ = 488700677280.

The previous prime is 1222012000067. The next prime is 1222012000147. The reversal of 1222012000100 is 10002102221.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 828884 + ... + 1769483.

Almost surely, 2^{1222012000100} is an apocalyptic number.

1222012000100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222012000100 is an abundant number, since it is smaller than the sum of its proper divisors (1430318906524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222012000100 is a wasteful number, since it uses less digits than its factorization.

1222012000100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2603084 (or 2603077 counting only the distinct ones).

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

Adding to 1222012000100 its reverse (10002102221), we get a palindrome (1232014102321).

The spelling of 1222012000100 in words is "one trillion, two hundred twenty-two billion, twelve million, one hundred", and thus it is an aban number.