120215462156 has 24 divisors (see below), whose sum is σ = 218458991520. Its totient is φ = 57814370432.

The previous prime is 120215462119. The next prime is 120215462161. The reversal of 120215462156 is 651264512021.

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, 1939721 + ... + 2000736.

It is an arithmetic number, because the mean of its divisors is an integer number (9102457980).

Almost surely, 2^120215462156 is an apocalyptic number.

It is an amenable number.

120215462156 is a deficient number, since it is larger than the sum of its proper divisors (98243529364).

120215462156 is a wasteful number, since it uses less digits than its factorization.

120215462156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3940753 (or 3940751 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

Adding to 120215462156 its reverse (651264512021), we get a palindrome (771479974177).

The spelling of 120215462156 in words is "one hundred twenty billion, two hundred fifteen million, four hundred sixty-two thousand, one hundred fifty-six".