121242233312031 has 32 divisors (see below), whose sum is σ = 174947854878720. Its totient is φ = 74243848063104.

The previous prime is 121242233311973. The next prime is 121242233312033. The reversal of 121242233312031 is 130213332242121.

It is not a de Polignac number, because 121242233312031 - 2¹⁹ = 121242232787743 is a prime.

It is a super-3 number, since 3×121242233312031³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 121242233312031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121242233312033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17062600 + ... + 23100146.

It is an arithmetic number, because the mean of its divisors is an integer number (5467120464960).

Almost surely, 2^{121242233312031} is an apocalyptic number.

121242233312031 is a deficient number, since it is larger than the sum of its proper divisors (53705621566689).

121242233312031 is a wasteful number, since it uses less digits than its factorization.

121242233312031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6040095.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 121242233312031 its reverse (130213332242121), we get a palindrome (251455565554152).

The spelling of 121242233312031 in words is "one hundred twenty-one trillion, two hundred forty-two billion, two hundred thirty-three million, three hundred twelve thousand, thirty-one".