1022120212000 has 48 divisors (see below), whose sum is σ = 2511349370712. Its totient is φ = 408848083200.

The previous prime is 1022120211953. The next prime is 1022120212019. The reversal of 1022120212000 is 2120212201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 99974851344 + 922145360656 = 316188^2 + 960284^2 .

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, 127761027 + ... + 127769026.

Almost surely, 2^{1022120212000} is an apocalyptic number.

1022120212000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022120212000 is an abundant number, since it is smaller than the sum of its proper divisors (1489229158712).

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

1022120212000 is an equidigital number, since it uses as much as digits as its factorization.

1022120212000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255530078 (or 255530060 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1022120212000 its reverse (2120212201), we get a palindrome (1024240424201).

The spelling of 1022120212000 in words is "one trillion, twenty-two billion, one hundred twenty million, two hundred twelve thousand".