212134201023 has 16 divisors (see below), whose sum is σ = 289820121696. Its totient is φ = 137937346560.

The previous prime is 212134200991. The next prime is 212134201039. The reversal of 212134201023 is 320102431212.

It is not a de Polignac number, because 212134201023 - 2⁵ = 212134200991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212134201093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250111 + ... + 697727.

It is an arithmetic number, because the mean of its divisors is an integer number (18113757606).

Almost surely, 2^212134201023 is an apocalyptic number.

212134201023 is a deficient number, since it is larger than the sum of its proper divisors (77685920673).

212134201023 is a wasteful number, since it uses less digits than its factorization.

212134201023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451514.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 212134201023 its reverse (320102431212), we get a palindrome (532236632235).

The spelling of 212134201023 in words is "two hundred twelve billion, one hundred thirty-four million, two hundred one thousand, twenty-three".