10212123401 has 4 divisors (see below), whose sum is σ = 10749603600. Its totient is φ = 9674643204.

The previous prime is 10212123391. The next prime is 10212123403. The reversal of 10212123401 is 10432121201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10432121201 = 23 ⋅453570487.

It is a cyclic number.

It is not a de Polignac number, because 10212123401 - 2²² = 10207929097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10212123401.

It is not an unprimeable number, because it can be changed into a prime (10212123403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268740071 + ... + 268740108.

It is an arithmetic number, because the mean of its divisors is an integer number (2687400900).

Almost surely, 2^10212123401 is an apocalyptic number.

It is an amenable number.

10212123401 is a deficient number, since it is larger than the sum of its proper divisors (537480199).

10212123401 is an equidigital number, since it uses as much as digits as its factorization.

10212123401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537480198.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 10212123401 its reverse (10432121201), we get a palindrome (20644244602).

The spelling of 10212123401 in words is "ten billion, two hundred twelve million, one hundred twenty-three thousand, four hundred one".