1222100232431 has 8 divisors (see below), whose sum is σ = 1317879296160. Its totient is φ = 1126574219232.

The previous prime is 1222100232427. The next prime is 1222100232443. The reversal of 1222100232431 is 1342320012221.

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 1222100232431 - 2² = 1222100232427 is a prime.

It is a super-3 number, since 3×1222100232431³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1222100232397 and 1222100232406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222100232421) 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, 63252596 + ... + 63271913.

It is an arithmetic number, because the mean of its divisors is an integer number (164734912020).

Almost surely, 2^{1222100232431} is an apocalyptic number.

1222100232431 is a deficient number, since it is larger than the sum of its proper divisors (95779063729).

1222100232431 is a wasteful number, since it uses less digits than its factorization.

1222100232431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126525265.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1222100232431 its reverse (1342320012221), we get a palindrome (2564420244652).

The spelling of 1222100232431 in words is "one trillion, two hundred twenty-two billion, one hundred million, two hundred thirty-two thousand, four hundred thirty-one".