1201022200012 has 24 divisors (see below), whose sum is σ = 2111083713200. Its totient is φ = 597855715776.

The previous prime is 1201022199989. The next prime is 1201022200051. The reversal of 1201022200012 is 2100022201021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1201022199965 and 1201022200001.

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, 31517923 + ... + 31556005.

Almost surely, 2^{1201022200012} is an apocalyptic number.

It is an amenable number.

1201022200012 is a deficient number, since it is larger than the sum of its proper divisors (910061513188).

1201022200012 is a wasteful number, since it uses less digits than its factorization.

1201022200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72745 (or 72743 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1201022200012 its reverse (2100022201021), we get a palindrome (3301044401033).

The spelling of 1201022200012 in words is "one trillion, two hundred one billion, twenty-two million, two hundred thousand, twelve".