32121013007 has 2 divisors, whose sum is σ = 32121013008.
Its totient is φ = 32121013006.
The previous prime is 32121012977. The next prime is 32121013039. The reversal of 32121013007 is 70031012123.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 32121013007 - 214 = 32120996623 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 32121013007.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (32121013097) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16060506503 + 16060506504.
It is an arithmetic number, because the mean of its divisors is an integer number (16060506504).
Almost surely, 232121013007 is an apocalyptic number.
32121013007 is a deficient number, since it is larger than the sum of its proper divisors (1).
32121013007 is an equidigital number, since it uses as much as digits as its factorization.
32121013007 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 252, while the sum is 20.
The spelling of 32121013007 in words is "thirty-two billion, one hundred twenty-one million, thirteen thousand, seven".