1201220102012 has 48 divisors (see below), whose sum is σ = 2489299008000. Its totient is φ = 496253386944.

The previous prime is 1201220101993. The next prime is 1201220102021. The reversal of 1201220102012 is 2102010221021.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 692312 + ... + 1697567.

It is an arithmetic number, because the mean of its divisors is an integer number (51860396000).

Almost surely, 2^{1201220102012} is an apocalyptic number.

It is an amenable number.

1201220102012 is an abundant number, since it is smaller than the sum of its proper divisors (1288078905988).

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

1201220102012 is a wasteful number, since it uses less digits than its factorization.

1201220102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2390538 (or 2390536 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1201220102012 its reverse (2102010221021), we get a palindrome (3303230323033).

The spelling of 1201220102012 in words is "one trillion, two hundred one billion, two hundred twenty million, one hundred two thousand, twelve".