121023212023 has 16 divisors (see below), whose sum is σ = 139682589696. Its totient is φ = 102706819200.

The previous prime is 121023212021. The next prime is 121023212033. The reversal of 121023212023 is 320212320121.

It is a cyclic number.

It is not a de Polignac number, because 121023212023 - 2¹ = 121023212021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121023212021) 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, 4502223 + ... + 4529023.

It is an arithmetic number, because the mean of its divisors is an integer number (8730161856).

Almost surely, 2^121023212023 is an apocalyptic number.

121023212023 is a deficient number, since it is larger than the sum of its proper divisors (18659377673).

121023212023 is a wasteful number, since it uses less digits than its factorization.

121023212023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33174.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 121023212023 its reverse (320212320121), we get a palindrome (441235532144).

The spelling of 121023212023 in words is "one hundred twenty-one billion, twenty-three million, two hundred twelve thousand, twenty-three".