12001002010957 has 2 divisors, whose sum is σ = 12001002010958. Its totient is φ = 12001002010956.

The previous prime is 12001002010931. The next prime is 12001002011017. The reversal of 12001002010957 is 75901020010021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11956422333636 + 44579677321 = 3457806^2 + 211139^2 .

It is an emirp because it is prime and its reverse (75901020010021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12001002010957 - 2²³ = 12000993622349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12001002010757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000501005478 + 6000501005479.

It is an arithmetic number, because the mean of its divisors is an integer number (6000501005479).

Almost surely, 2^{12001002010957} is an apocalyptic number.

It is an amenable number.

12001002010957 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001002010957 is an equidigital number, since it uses as much as digits as its factorization.

12001002010957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 28.

Adding to 12001002010957 its reverse (75901020010021), we get a palindrome (87902022020978).

The spelling of 12001002010957 in words is "twelve trillion, one billion, two million, ten thousand, nine hundred fifty-seven".