121142212023 has 8 divisors (see below), whose sum is σ = 184597656448. Its totient is φ = 69224121144.

The previous prime is 121142211923. The next prime is 121142212027. The reversal of 121142212023 is 320212241121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121142212023 - 2²⁹ = 120605341111 is a prime.

It is a super-3 number, since 3×121142212023³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 5768676763 = 121142212023 / (1 + 2 + 1 + 1 + 4 + 2 + 2 + 1 + 2 + 0 + 2 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121142212027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2884338361 + ... + 2884338402.

It is an arithmetic number, because the mean of its divisors is an integer number (23074707056).

Almost surely, 2^121142212023 is an apocalyptic number.

121142212023 is a deficient number, since it is larger than the sum of its proper divisors (63455444425).

121142212023 is an equidigital number, since it uses as much as digits as its factorization.

121142212023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5768676773.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 121142212023 its reverse (320212241121), we get a palindrome (441354453144).

The spelling of 121142212023 in words is "one hundred twenty-one billion, one hundred forty-two million, two hundred twelve thousand, twenty-three".