20211001000012 has 6 divisors (see below), whose sum is σ = 35369251750028. Its totient is φ = 10105500500004.

The previous prime is 20211000999989. The next prime is 20211001000087. The reversal of 20211001000012 is 21000010011202.

It is a super-2 number, since 2×20211001000012² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2526375124998 + ... + 2526375125005.

Almost surely, 2^{20211001000012} is an apocalyptic number.

It is an amenable number.

20211001000012 is a deficient number, since it is larger than the sum of its proper divisors (15158250750016).

20211001000012 is a wasteful number, since it uses less digits than its factorization.

20211001000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5052750250007 (or 5052750250005 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20211001000012 its reverse (21000010011202), we get a palindrome (41211011011214).

The spelling of 20211001000012 in words is "twenty trillion, two hundred eleven billion, one million, twelve", and thus it is an aban number.