101212010057 has 2 divisors, whose sum is σ = 101212010058. Its totient is φ = 101212010056.

The previous prime is 101212010017. The next prime is 101212010069. The reversal of 101212010057 is 750010212101.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79026205456 + 22185804601 = 281116^2 + 148949^2 .

It is a cyclic number.

It is not a de Polignac number, because 101212010057 - 2³⁶ = 32492533321 is a prime.

It is not a weakly prime, because it can be changed into another prime (101212010017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50606005028 + 50606005029.

It is an arithmetic number, because the mean of its divisors is an integer number (50606005029).

Almost surely, 2^101212010057 is an apocalyptic number.

It is an amenable number.

101212010057 is a deficient number, since it is larger than the sum of its proper divisors (1).

101212010057 is an equidigital number, since it uses as much as digits as its factorization.

101212010057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 140, while the sum is 20.

Adding to 101212010057 its reverse (750010212101), we get a palindrome (851222222158).

The spelling of 101212010057 in words is "one hundred one billion, two hundred twelve million, ten thousand, fifty-seven".