120412254015 has 12 divisors (see below), whose sum is σ = 208714573704. Its totient is φ = 64219868784.

The previous prime is 120412253911. The next prime is 120412254023. The reversal of 120412254015 is 510452214021.

It is a happy number.

It is not a de Polignac number, because 120412254015 - 2¹⁹ = 120411729727 is a prime.

It is a super-2 number, since 2×120412254015² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120412254015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1337913889 + ... + 1337913978.

It is an arithmetic number, because the mean of its divisors is an integer number (17392881142).

Almost surely, 2^120412254015 is an apocalyptic number.

120412254015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120412254015 is a deficient number, since it is larger than the sum of its proper divisors (88302319689).

120412254015 is a wasteful number, since it uses less digits than its factorization.

120412254015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2675827878 (or 2675827875 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 120412254015 its reverse (510452214021), we get a palindrome (630864468036).

The spelling of 120412254015 in words is "one hundred twenty billion, four hundred twelve million, two hundred fifty-four thousand, fifteen".