20120010199973 has 2 divisors, whose sum is σ = 20120010199974. Its totient is φ = 20120010199972.

The previous prime is 20120010199951. The next prime is 20120010200021. The reversal of 20120010199973 is 37999101002102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19475292738724 + 644717461249 = 4413082^2 + 802943^2 .

It is a cyclic number.

It is not a de Polignac number, because 20120010199973 - 2¹⁴ = 20120010183589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20120010199873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10060005099986 + 10060005099987.

It is an arithmetic number, because the mean of its divisors is an integer number (10060005099987).

Almost surely, 2^{20120010199973} is an apocalyptic number.

It is an amenable number.

20120010199973 is a deficient number, since it is larger than the sum of its proper divisors (1).

20120010199973 is an equidigital number, since it uses as much as digits as its factorization.

20120010199973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61236, while the sum is 44.

The spelling of 20120010199973 in words is "twenty trillion, one hundred twenty billion, ten million, one hundred ninety-nine thousand, nine hundred seventy-three".