20412012101124 has 48 divisors (see below), whose sum is σ = 54757972620288. Its totient is φ = 5797081277088.

The previous prime is 20412012101119. The next prime is 20412012101191. The reversal of 20412012101124 is 42110121021402.

It is a super-2 number, since 2×20412012101124² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 20412012101124.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 727531314 + ... + 727559369.

It is an arithmetic number, because the mean of its divisors is an integer number (1140791096256).

Almost surely, 2^{20412012101124} is an apocalyptic number.

It is an amenable number.

20412012101124 is an abundant number, since it is smaller than the sum of its proper divisors (34345960519164).

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

20412012101124 is a wasteful number, since it uses less digits than its factorization.

20412012101124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455090864 (or 1455090862 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 20412012101124 its reverse (42110121021402), we get a palindrome (62522133122526).

The spelling of 20412012101124 in words is "twenty trillion, four hundred twelve billion, twelve million, one hundred one thousand, one hundred twenty-four".