1220020121202 has 16 divisors (see below), whose sum is σ = 2499553419552. Its totient is φ = 396754510880.

The previous prime is 1220020121197. The next prime is 1220020121239. The reversal of 1220020121202 is 2021210200221.

It is a super-2 number, since 2×1220020121202² (a number of 25 digits) contains 22 as substring.

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, 2479715448 + ... + 2479715939.

It is an arithmetic number, because the mean of its divisors is an integer number (156222088722).

Almost surely, 2^{1220020121202} is an apocalyptic number.

1220020121202 is an abundant number, since it is smaller than the sum of its proper divisors (1279533298350).

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

1220020121202 is a wasteful number, since it uses less digits than its factorization.

1220020121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4959431433.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1220020121202 its reverse (2021210200221), we get a palindrome (3241230321423).

The spelling of 1220020121202 in words is "one trillion, two hundred twenty billion, twenty million, one hundred twenty-one thousand, two hundred two".