12173012501070 has 64 divisors (see below), whose sum is σ = 30618582059520. Its totient is φ = 3091441296768.

The previous prime is 12173012501059. The next prime is 12173012501137. The reversal of 12173012501070 is 7010521037121.

It is a super-2 number, since 2×12173012501070² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38361744 + ... + 38677763.

It is an arithmetic number, because the mean of its divisors is an integer number (478415344680).

Almost surely, 2^{12173012501070} is an apocalyptic number.

12173012501070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12173012501070 is an abundant number, since it is smaller than the sum of its proper divisors (18445569558450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12173012501070 is a wasteful number, since it uses less digits than its factorization.

12173012501070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77039769.

The product of its (nonzero) digits is 2940, while the sum is 30.

Adding to 12173012501070 its reverse (7010521037121), we get a palindrome (19183533538191).

It can be divided in two parts, 121730 and 12501070, that added together give a triangular number (12622800 = T₅₀₂₄).

The spelling of 12173012501070 in words is "twelve trillion, one hundred seventy-three billion, twelve million, five hundred one thousand, seventy".