912120121021223 has 2 divisors, whose sum is σ = 912120121021224. Its totient is φ = 912120121021222.

The previous prime is 912120121021147. The next prime is 912120121021283. The reversal of 912120121021223 is 322120121021219.

It is a strong prime.

It is an emirp because it is prime and its reverse (322120121021219) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-912120121021223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (912120121021283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 456060060510611 + 456060060510612.

It is an arithmetic number, because the mean of its divisors is an integer number (456060060510612).

Almost surely, 2^{912120121021223} is an apocalyptic number.

912120121021223 is a deficient number, since it is larger than the sum of its proper divisors (1).

912120121021223 is an equidigital number, since it uses as much as digits as its factorization.

912120121021223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 29.

The spelling of 912120121021223 in words is "nine hundred twelve trillion, one hundred twenty billion, one hundred twenty-one million, twenty-one thousand, two hundred twenty-three".