12150400901 has 2 divisors, whose sum is σ = 12150400902. Its totient is φ = 12150400900.

The previous prime is 12150400883. The next prime is 12150400967. The reversal of 12150400901 is 10900405121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9274653025 + 2875747876 = 96305^2 + 53626^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12150400901 is a prime.

It is a super-2 number, since 2×12150400901² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12150400981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6075200450 + 6075200451.

It is an arithmetic number, because the mean of its divisors is an integer number (6075200451).

Almost surely, 2^12150400901 is an apocalyptic number.

It is an amenable number.

12150400901 is a deficient number, since it is larger than the sum of its proper divisors (1).

12150400901 is an equidigital number, since it uses as much as digits as its factorization.

12150400901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 23.

The spelling of 12150400901 in words is "twelve billion, one hundred fifty million, four hundred thousand, nine hundred one".