1021222300012 has 24 divisors (see below), whose sum is σ = 1793754309200. Its totient is φ = 508721674176.

The previous prime is 1021222299961. The next prime is 1021222300073. The reversal of 1021222300012 is 2100032221201.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6978814 + ... + 7123642.

Almost surely, 2^{1021222300012} is an apocalyptic number.

It is an amenable number.

1021222300012 is a deficient number, since it is larger than the sum of its proper divisors (772532009188).

1021222300012 is a wasteful number, since it uses less digits than its factorization.

1021222300012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151345 (or 151343 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1021222300012 its reverse (2100032221201), we get a palindrome (3121254521213).

The spelling of 1021222300012 in words is "one trillion, twenty-one billion, two hundred twenty-two million, three hundred thousand, twelve".