120312220012 has 6 divisors (see below), whose sum is σ = 210546385028. Its totient is φ = 60156110004.

The previous prime is 120312220009. The next prime is 120312220027. The reversal of 120312220012 is 210022213021.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15039027498 + ... + 15039027505.

Almost surely, 2^120312220012 is an apocalyptic number.

It is an amenable number.

120312220012 is a deficient number, since it is larger than the sum of its proper divisors (90234165016).

120312220012 is a wasteful number, since it uses less digits than its factorization.

120312220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30078055007 (or 30078055005 counting only the distinct ones).

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

Adding to 120312220012 its reverse (210022213021), we get a palindrome (330334433033).

The spelling of 120312220012 in words is "one hundred twenty billion, three hundred twelve million, two hundred twenty thousand, twelve".