124155115122252 has 12 divisors (see below), whose sum is σ = 289695268618616. Its totient is φ = 41385038374080.

The previous prime is 124155115122193. The next prime is 124155115122287. The reversal of 124155115122252 is 252221511551421.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×124155115122252² (a number of 29 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 124155115122252.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5173129796749 + ... + 5173129796772.

Almost surely, 2^{124155115122252} is an apocalyptic number.

124155115122252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

124155115122252 is an abundant number, since it is smaller than the sum of its proper divisors (165540153496364).

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

124155115122252 is a wasteful number, since it uses less digits than its factorization.

124155115122252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10346259593528 (or 10346259593526 counting only the distinct ones).

The product of its digits is 80000, while the sum is 39.

Adding to 124155115122252 its reverse (252221511551421), we get a palindrome (376376626673673).

The spelling of 124155115122252 in words is "one hundred twenty-four trillion, one hundred fifty-five billion, one hundred fifteen million, one hundred twenty-two thousand, two hundred fifty-two".