20122211000012 has 72 divisors (see below), whose sum is σ = 39833636431680. Its totient is φ = 8820372541120.

The previous prime is 20122210999991. The next prime is 20122211000051. The reversal of 20122211000012 is 21000011222102.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30273539 + ... + 30931077.

It is an arithmetic number, because the mean of its divisors is an integer number (553244950440).

Almost surely, 2^{20122211000012} is an apocalyptic number.

20122211000012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20122211000012 is a deficient number, since it is larger than the sum of its proper divisors (19711425431668).

20122211000012 is a wasteful number, since it uses less digits than its factorization.

20122211000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658439 (or 658408 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20122211000012 its reverse (21000011222102), we get a palindrome (41122222222114).

The spelling of 20122211000012 in words is "twenty trillion, one hundred twenty-two billion, two hundred eleven million, twelve", and thus it is an aban number.