1200122022110 has 64 divisors (see below), whose sum is σ = 2413522096128. Its totient is φ = 425976720000.

The previous prime is 1200122022089. The next prime is 1200122022131. The reversal of 1200122022110 is 112202210021.

It is an interprime number because it is at equal distance from previous prime (1200122022089) and next prime (1200122022131).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 196355 + ... + 1561665.

It is an arithmetic number, because the mean of its divisors is an integer number (37711282752).

Almost surely, 2^{1200122022110} is an apocalyptic number.

1200122022110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200122022110 is an abundant number, since it is smaller than the sum of its proper divisors (1213400074018).

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

1200122022110 is a wasteful number, since it uses less digits than its factorization.

1200122022110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365521.

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

Adding to 1200122022110 its reverse (112202210021), we get a palindrome (1312324232131).

The spelling of 1200122022110 in words is "one trillion, two hundred billion, one hundred twenty-two million, twenty-two thousand, one hundred ten".