120412135315252 has 24 divisors (see below), whose sum is σ = 230070401753472. Its totient is φ = 54686910475200.

The previous prime is 120412135315229. The next prime is 120412135315253. The reversal of 120412135315252 is 252513531214021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120412135315253) by changing a digit.

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, 1146904524 + ... + 1147009507.

It is an arithmetic number, because the mean of its divisors is an integer number (9586266739728).

Almost surely, 2^{120412135315252} is an apocalyptic number.

It is an amenable number.

120412135315252 is a deficient number, since it is larger than the sum of its proper divisors (109658266438220).

120412135315252 is a wasteful number, since it uses less digits than its factorization.

120412135315252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2293915239 (or 2293915237 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 37.

Adding to 120412135315252 its reverse (252513531214021), we get a palindrome (372925666529273).

The spelling of 120412135315252 in words is "one hundred twenty trillion, four hundred twelve billion, one hundred thirty-five million, three hundred fifteen thousand, two hundred fifty-two".