1202120520000 has 140 divisors (see below), whose sum is σ = 3974491330656. Its totient is φ = 320565440000.

The previous prime is 1202120519981. The next prime is 1202120520001. The reversal of 1202120520000 is 250212021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202120520001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4888836 + ... + 5128835.

Almost surely, 2^{1202120520000} is an apocalyptic number.

1202120520000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202120520000 is an abundant number, since it is smaller than the sum of its proper divisors (2772370810656).

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

1202120520000 is an equidigital number, since it uses as much as digits as its factorization.

1202120520000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10017706 (or 10017681 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

Adding to 1202120520000 its reverse (250212021), we get a palindrome (1202370732021).

The spelling of 1202120520000 in words is "one trillion, two hundred two billion, one hundred twenty million, five hundred twenty thousand".