12070651421 has 2 divisors, whose sum is σ = 12070651422. Its totient is φ = 12070651420.

The previous prime is 12070651409. The next prime is 12070651447. The reversal of 12070651421 is 12415607021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9225602500 + 2845048921 = 96050^2 + 53339^2 .

It is a cyclic number.

It is not a de Polignac number, because 12070651421 - 2⁶ = 12070651357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12070651471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6035325710 + 6035325711.

It is an arithmetic number, because the mean of its divisors is an integer number (6035325711).

Almost surely, 2^12070651421 is an apocalyptic number.

It is an amenable number.

12070651421 is a deficient number, since it is larger than the sum of its proper divisors (1).

12070651421 is an equidigital number, since it uses as much as digits as its factorization.

12070651421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 29.

The spelling of 12070651421 in words is "twelve billion, seventy million, six hundred fifty-one thousand, four hundred twenty-one".