1212120122000 has 40 divisors (see below), whose sum is σ = 2930906459832. Its totient is φ = 484848048000.

The previous prime is 1212120121981. The next prime is 1212120122011. The reversal of 1212120122000 is 2210212121.

It can be written as a sum of positive squares in 4 ways, for example, as 879003904 + 1211241118096 = 29648^2 + 1100564^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303028031 + ... + 303032030.

Almost surely, 2^{1212120122000} is an apocalyptic number.

1212120122000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1212120122000 is an abundant number, since it is smaller than the sum of its proper divisors (1718786337832).

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

1212120122000 is an equidigital number, since it uses as much as digits as its factorization.

1212120122000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606060084 (or 606060068 counting only the distinct ones).

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

Adding to 1212120122000 its reverse (2210212121), we get a palindrome (1214330334121).

The spelling of 1212120122000 in words is "one trillion, two hundred twelve billion, one hundred twenty million, one hundred twenty-two thousand".