20201211000012 has 48 divisors (see below), whose sum is σ = 55325839143680. Its totient is φ = 5615780663232.

The previous prime is 20201210999989. The next prime is 20201211000083. The reversal of 20201211000012 is 21000011210202.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3249869962 + ... + 3249876177.

Almost surely, 2^{20201211000012} is an apocalyptic number.

It is an amenable number.

20201211000012 is an abundant number, since it is smaller than the sum of its proper divisors (35124628143668).

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

20201211000012 is a wasteful number, since it uses less digits than its factorization.

20201211000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6499746190 (or 6499746188 counting only the distinct ones).

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

Adding to 20201211000012 its reverse (21000011210202), we get a palindrome (41201222210214).

The spelling of 20201211000012 in words is "twenty trillion, two hundred one billion, two hundred eleven million, twelve", and thus it is an aban number.