1202100013020 has 24 divisors (see below), whose sum is σ = 3365880036624. Its totient is φ = 320560003456.

The previous prime is 1202100012977. The next prime is 1202100013099. The reversal of 1202100013020 is 203100012021.

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 = 1202100012987 and 1202100013005.

It is a congruent number.

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, 10017500049 + ... + 10017500168.

It is an arithmetic number, because the mean of its divisors is an integer number (140245001526).

Almost surely, 2^{1202100013020} is an apocalyptic number.

1202100013020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202100013020 is an abundant number, since it is smaller than the sum of its proper divisors (2163780023604).

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

1202100013020 is a wasteful number, since it uses less digits than its factorization.

1202100013020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20035000229 (or 20035000227 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 1202100013020 its reverse (203100012021), we get a palindrome (1405200025041).

Subtracting from 1202100013020 its reverse (203100012021), we obtain a palindrome (999000000999).

The spelling of 1202100013020 in words is "one trillion, two hundred two billion, one hundred million, thirteen thousand, twenty".