1230212989253 has 2 divisors, whose sum is σ = 1230212989254. Its totient is φ = 1230212989252.

The previous prime is 1230212989249. The next prime is 1230212989297. The reversal of 1230212989253 is 3529892120321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1140211789249 + 90001200004 = 1067807^2 + 300002^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230212989253 - 2² = 1230212989249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1230212989198 and 1230212989207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230212989223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615106494626 + 615106494627.

It is an arithmetic number, because the mean of its divisors is an integer number (615106494627).

Almost surely, 2^{1230212989253} is an apocalyptic number.

It is an amenable number.

1230212989253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230212989253 is an equidigital number, since it uses as much as digits as its factorization.

1230212989253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 47.

The spelling of 1230212989253 in words is "one trillion, two hundred thirty billion, two hundred twelve million, nine hundred eighty-nine thousand, two hundred fifty-three".