122021231431 has 8 divisors (see below), whose sum is σ = 133172150544. Its totient is φ = 110879992320.

The previous prime is 122021231429. The next prime is 122021231447. The reversal of 122021231431 is 134132120221.

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

It is a cyclic number.

It is not a de Polignac number, because 122021231431 - 2¹ = 122021231429 is a prime.

It is a super-2 number, since 2×122021231431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122021231461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2393626 + ... + 2444071.

It is an arithmetic number, because the mean of its divisors is an integer number (16646518818).

Almost surely, 2^122021231431 is an apocalyptic number.

122021231431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122021231431 is a deficient number, since it is larger than the sum of its proper divisors (11150919113).

122021231431 is a wasteful number, since it uses less digits than its factorization.

122021231431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4840001.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 122021231431 its reverse (134132120221), we get a palindrome (256153351652).

The spelling of 122021231431 in words is "one hundred twenty-two billion, twenty-one million, two hundred thirty-one thousand, four hundred thirty-one".