124112202012 has 18 divisors (see below), whose sum is σ = 313728066288. Its totient is φ = 41370733992.

The previous prime is 124112201981. The next prime is 124112202017. The reversal of 124112202012 is 210202211421.

124112202012 is a `hidden beast` number, since 1 + 2 + 411 + 220 + 20 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124112202017) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1723780548 + ... + 1723780619.

It is an arithmetic number, because the mean of its divisors is an integer number (17429337016).

Almost surely, 2^124112202012 is an apocalyptic number.

124112202012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

124112202012 is an abundant number, since it is smaller than the sum of its proper divisors (189615864276).

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

124112202012 is a wasteful number, since it uses less digits than its factorization.

124112202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3447561177 (or 3447561172 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 124112202012 its reverse (210202211421), we get a palindrome (334314413433).

The spelling of 124112202012 in words is "one hundred twenty-four billion, one hundred twelve million, two hundred two thousand, twelve".