12020015034 has 16 divisors (see below), whose sum is σ = 26711144640. Its totient is φ = 4006671660.

The previous prime is 12020015009. The next prime is 12020015069. The reversal of 12020015034 is 43051002021.

It is a super-2 number, since 2×12020015034² (a number of 21 digits) contains 22 as substring.

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 = 12020014998 and 12020015016.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111296382 + ... + 111296489.

It is an arithmetic number, because the mean of its divisors is an integer number (1669446540).

Almost surely, 2^12020015034 is an apocalyptic number.

12020015034 is an abundant number, since it is smaller than the sum of its proper divisors (14691129606).

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

12020015034 is a wasteful number, since it uses less digits than its factorization.

12020015034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222592882 (or 222592876 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 12020015034 its reverse (43051002021), we get a palindrome (55071017055).

The spelling of 12020015034 in words is "twelve billion, twenty million, fifteen thousand, thirty-four".