1201113013212 has 96 divisors (see below), whose sum is σ = 3559175907840. Its totient is φ = 343144045440.

The previous prime is 1201113013181. The next prime is 1201113013223. The reversal of 1201113013212 is 2123103111021.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9037023 + ... + 9168969.

It is an arithmetic number, because the mean of its divisors is an integer number (37074749040).

Almost surely, 2^{1201113013212} is an apocalyptic number.

1201113013212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1201113013212 is an abundant number, since it is smaller than the sum of its proper divisors (2358062894628).

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

1201113013212 is a wasteful number, since it uses less digits than its factorization.

1201113013212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144008 (or 144000 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1201113013212 its reverse (2123103111021), we get a palindrome (3324216124233).

The spelling of 1201113013212 in words is "one trillion, two hundred one billion, one hundred thirteen million, thirteen thousand, two hundred twelve".