1210012222100 has 72 divisors (see below), whose sum is σ = 2885036700000. Its totient is φ = 436838889600.

The previous prime is 1210012222087. The next prime is 1210012222121. The reversal of 1210012222100 is 12222100121.

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, 3803975 + ... + 4109774.

Almost surely, 2^{1210012222100} is an apocalyptic number.

1210012222100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210012222100 is an abundant number, since it is smaller than the sum of its proper divisors (1675024477900).

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

1210012222100 is a wasteful number, since it uses less digits than its factorization.

1210012222100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7913913 (or 7913906 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1210012222100 its reverse (12222100121), we get a palindrome (1222234322221).

The spelling of 1210012222100 in words is "one trillion, two hundred ten billion, twelve million, two hundred twenty-two thousand, one hundred".