13000212989 has 2 divisors, whose sum is σ = 13000212990. Its totient is φ = 13000212988.

The previous prime is 13000212983. The next prime is 13000213027. The reversal of 13000212989 is 98921200031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6748622500 + 6251590489 = 82150^2 + 79067^2 .

It is a cyclic number.

It is not a de Polignac number, because 13000212989 - 2²⁸ = 12731777533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13000212983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6500106494 + 6500106495.

It is an arithmetic number, because the mean of its divisors is an integer number (6500106495).

Almost surely, 2^13000212989 is an apocalyptic number.

It is an amenable number.

13000212989 is a deficient number, since it is larger than the sum of its proper divisors (1).

13000212989 is an equidigital number, since it uses as much as digits as its factorization.

13000212989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 35.

The spelling of 13000212989 in words is "thirteen billion, two hundred twelve thousand, nine hundred eighty-nine".