1222022000100 has 72 divisors (see below), whose sum is σ = 3857145814368. Its totient is φ = 296247756800.

The previous prime is 1222022000047. The next prime is 1222022000137. The reversal of 1222022000100 is 10002202221.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 185151549 + ... + 185158148.

It is an arithmetic number, because the mean of its divisors is an integer number (53571469644).

Almost surely, 2^{1222022000100} is an apocalyptic number.

1222022000100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222022000100 is an abundant number, since it is smaller than the sum of its proper divisors (2635123814268).

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

1222022000100 is a wasteful number, since it uses less digits than its factorization.

1222022000100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370309725 (or 370309718 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 1222022000100 its reverse (10002202221), we get a palindrome (1232024202321).

The spelling of 1222022000100 in words is "one trillion, two hundred twenty-two billion, twenty-two million, one hundred", and thus it is an aban number.