1201113013220 has 48 divisors (see below), whose sum is σ = 2811273816960. Its totient is φ = 428384577024.

The previous prime is 1201113013181. The next prime is 1201113013223. The reversal of 1201113013220 is 223103111021.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (1201113013223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92958944 + ... + 92971863.

It is an arithmetic number, because the mean of its divisors is an integer number (58568204520).

Almost surely, 2^{1201113013220} is an apocalyptic number.

1201113013220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201113013220 is an abundant number, since it is smaller than the sum of its proper divisors (1610160803740).

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

1201113013220 is a wasteful number, since it uses less digits than its factorization.

1201113013220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185930852 (or 185930850 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1201113013220 its reverse (223103111021), we get a palindrome (1424216124241).

The spelling of 1201113013220 in words is "one trillion, two hundred one billion, one hundred thirteen million, thirteen thousand, two hundred twenty".