20000012011212 has 24 divisors (see below), whose sum is σ = 46668844552176. Its totient is φ = 6666363547648.

The previous prime is 20000012011169. The next prime is 20000012011219. The reversal of 20000012011212 is 21211021000002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (20000012011219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38118933 + ... + 38640044.

It is an arithmetic number, because the mean of its divisors is an integer number (1944535189674).

Almost surely, 2^{20000012011212} is an apocalyptic number.

It is an amenable number.

20000012011212 is an abundant number, since it is smaller than the sum of its proper divisors (26668832540964).

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

20000012011212 is a wasteful number, since it uses less digits than its factorization.

20000012011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76780697 (or 76780695 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20000012011212 its reverse (21211021000002), we get a palindrome (41211033011214).

The spelling of 20000012011212 in words is "twenty trillion, twelve million, eleven thousand, two hundred twelve".