20001400012 has 48 divisors (see below), whose sum is σ = 39445023744. Its totient is φ = 8791848000.

The previous prime is 20001400007. The next prime is 20001400019. The reversal of 20001400012 is 21000410002.

It is not an unprimeable number, because it can be changed into a prime (20001400019) 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, 2195587 + ... + 2204677.

It is an arithmetic number, because the mean of its divisors is an integer number (821771328).

Almost surely, 2^20001400012 is an apocalyptic number.

20001400012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20001400012 is a deficient number, since it is larger than the sum of its proper divisors (19443623732).

20001400012 is a wasteful number, since it uses less digits than its factorization.

20001400012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10750 (or 10748 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20001400012 its reverse (21000410002), we get a palindrome (41001810014).

The spelling of 20001400012 in words is "twenty billion, one million, four hundred thousand, twelve".