1000212022100 has 72 divisors (see below), whose sum is σ = 2351579364288. Its totient is φ = 367793395200.

The previous prime is 1000212022097. The next prime is 1000212022111. The reversal of 1000212022100 is 12202120001.

It is a happy number.

It is a congruent number.

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, 6768296 + ... + 6914495.

It is an arithmetic number, because the mean of its divisors is an integer number (32660824504).

Almost surely, 2^{1000212022100} is an apocalyptic number.

1000212022100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000212022100 is an abundant number, since it is smaller than the sum of its proper divisors (1351367342188).

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

1000212022100 is a wasteful number, since it uses less digits than its factorization.

1000212022100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13682865 (or 13682858 counting only the distinct ones).

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

Adding to 1000212022100 its reverse (12202120001), we get a palindrome (1012414142101).

The spelling of 1000212022100 in words is "one trillion, two hundred twelve million, twenty-two thousand, one hundred".