1012022120100 has 36 divisors (see below), whose sum is σ = 2928117335024. Its totient is φ = 269872565280.

The previous prime is 1012022120027. The next prime is 1012022120111. The reversal of 1012022120100 is 10212202101.

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 11 ways as a sum of consecutive naturals, for example, 1686703234 + ... + 1686703833.

Almost surely, 2^{1012022120100} is an apocalyptic number.

1012022120100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012022120100 is an abundant number, since it is smaller than the sum of its proper divisors (1916095214924).

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

1012022120100 is a wasteful number, since it uses less digits than its factorization.

1012022120100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3373407084 (or 3373407077 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1012022120100 its reverse (10212202101), we get a palindrome (1022234322201).

The spelling of 1012022120100 in words is "one trillion, twelve billion, twenty-two million, one hundred twenty thousand, one hundred".