101212020200923 has 2 divisors, whose sum is σ = 101212020200924. Its totient is φ = 101212020200922.

The previous prime is 101212020200917. The next prime is 101212020201037. The reversal of 101212020200923 is 329002020212101.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101212020200923 is a prime.

It is not a weakly prime, because it can be changed into another prime (101212020201923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50606010100461 + 50606010100462.

It is an arithmetic number, because the mean of its divisors is an integer number (50606010100462).

Almost surely, 2^{101212020200923} is an apocalyptic number.

101212020200923 is a deficient number, since it is larger than the sum of its proper divisors (1).

101212020200923 is an equidigital number, since it uses as much as digits as its factorization.

101212020200923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 101212020200923 in words is "one hundred one trillion, two hundred twelve billion, twenty million, two hundred thousand, nine hundred twenty-three".