20122013124 has 36 divisors (see below), whose sum is σ = 50888401200. Its totient is φ = 6704117040.

The previous prime is 20122013117. The next prime is 20122013159. The reversal of 20122013124 is 42131022102.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 20122013097 and 20122013106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57582 + ... + 208709.

It is an arithmetic number, because the mean of its divisors is an integer number (1413566700).

Almost surely, 2^20122013124 is an apocalyptic number.

It is an amenable number.

20122013124 is an abundant number, since it is smaller than the sum of its proper divisors (30766388076).

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

20122013124 is a wasteful number, since it uses less digits than its factorization.

20122013124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268400 (or 268395 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 20122013124 its reverse (42131022102), we get a palindrome (62253035226).

The spelling of 20122013124 in words is "twenty billion, one hundred twenty-two million, thirteen thousand, one hundred twenty-four".