121112134036431 has 8 divisors (see below), whose sum is σ = 161836199531184. Its totient is φ = 80564745616320.

The previous prime is 121112134036429. The next prime is 121112134036441. The reversal of 121112134036431 is 134630431211121.

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 121112134036431 - 2¹ = 121112134036429 is a prime.

It is a super-2 number, since 2×121112134036431² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121112134036392 and 121112134036401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121112134036441) 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, 44169267060 + ... + 44169269801.

It is an arithmetic number, because the mean of its divisors is an integer number (20229524941398).

Almost surely, 2^{121112134036431} is an apocalyptic number.

121112134036431 is a deficient number, since it is larger than the sum of its proper divisors (40724065494753).

121112134036431 is an equidigital number, since it uses as much as digits as its factorization.

121112134036431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88338537321.

The product of its (nonzero) digits is 10368, while the sum is 33.

Adding to 121112134036431 its reverse (134630431211121), we get a palindrome (255742565247552).

The spelling of 121112134036431 in words is "one hundred twenty-one trillion, one hundred twelve billion, one hundred thirty-four million, thirty-six thousand, four hundred thirty-one".