20021412012 has 48 divisors (see below), whose sum is σ = 53398974720. Its totient is φ = 5719488192.

The previous prime is 20021412007. The next prime is 20021412017. The reversal of 20021412012 is 21021412002.

It is an interprime number because it is at equal distance from previous prime (20021412007) and next prime (20021412017).

It is a junction number, because it is equal to n+sod(n) for n = 20021411982 and 20021412000.

It is not an unprimeable number, because it can be changed into a prime (20021412017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 646539 + ... + 676797.

It is an arithmetic number, because the mean of its divisors is an integer number (1112478640).

Almost surely, 2^20021412012 is an apocalyptic number.

It is an amenable number.

20021412012 is an abundant number, since it is smaller than the sum of its proper divisors (33377562708).

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

20021412012 is a wasteful number, since it uses less digits than its factorization.

20021412012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38150 (or 38148 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20021412012 its reverse (21021412002), we get a palindrome (41042824014).

It can be divided in two parts, 200214 and 12012, that added together give a triangular number (212226 = T₆₅₁).

The spelling of 20021412012 in words is "twenty billion, twenty-one million, four hundred twelve thousand, twelve".