1202200020120 has 128 divisors (see below), whose sum is σ = 3947125178880. Its totient is φ = 290505216000.

The previous prime is 1202200020107. The next prime is 1202200020127. The reversal of 1202200020120 is 210200022021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1202200020096 and 1202200020105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202200020127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1053721 + ... + 1874760.

It is an arithmetic number, because the mean of its divisors is an integer number (30836915460).

Almost surely, 2^{1202200020120} is an apocalyptic number.

1202200020120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202200020120 is an abundant number, since it is smaller than the sum of its proper divisors (2744925158760).

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

1202200020120 is a wasteful number, since it uses less digits than its factorization.

1202200020120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2928817 (or 2928813 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 1202200020120 its reverse (210200022021), we get a palindrome (1412400042141).

The spelling of 1202200020120 in words is "one trillion, two hundred two billion, two hundred million, twenty thousand, one hundred twenty".