202012011021120 has 112 divisors (see below), whose sum is σ = 642178998299328. Its totient is φ = 53803445391360.

The previous prime is 202012011021091. The next prime is 202012011021133. The reversal of 202012011021120 is 21120110210202.

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

It is a self number, because there is not a number n which added to its sum of digits gives 202012011021120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128955829 + ... + 130512948.

It is an arithmetic number, because the mean of its divisors is an integer number (5733741056244).

Almost surely, 2^{202012011021120} is an apocalyptic number.

202012011021120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202012011021120 is an abundant number, since it is smaller than the sum of its proper divisors (440166987278208).

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

202012011021120 is a wasteful number, since it uses less digits than its factorization.

202012011021120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259469608 (or 259469598 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 202012011021120 its reverse (21120110210202), we get a palindrome (223132121231322).

The spelling of 202012011021120 in words is "two hundred two trillion, twelve billion, eleven million, twenty-one thousand, one hundred twenty".