120139212115 has 32 divisors (see below), whose sum is σ = 162430894080. Its totient is φ = 84638902656.

The previous prime is 120139212107. The next prime is 120139212119. The reversal of 120139212115 is 511212931021.

It is a cyclic number.

It is not a de Polignac number, because 120139212115 - 2³ = 120139212107 is a prime.

It is a super-2 number, since 2×120139212115² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120139212119) 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 31 ways as a sum of consecutive naturals, for example, 467676 + ... + 677494.

It is an arithmetic number, because the mean of its divisors is an integer number (5075965440).

Almost surely, 2^120139212115 is an apocalyptic number.

120139212115 is a deficient number, since it is larger than the sum of its proper divisors (42291681965).

120139212115 is a wasteful number, since it uses less digits than its factorization.

120139212115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210243.

The product of its (nonzero) digits is 1080, while the sum is 28.

The spelling of 120139212115 in words is "one hundred twenty billion, one hundred thirty-nine million, two hundred twelve thousand, one hundred fifteen".