121200440344031 has 8 divisors (see below), whose sum is σ = 125425270852224. Its totient is φ = 116995306016160.

The previous prime is 121200440344021. The next prime is 121200440344043. The reversal of 121200440344031 is 130443044002121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121200440344031 is a prime.

It is a super-2 number, since 2×121200440344031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121200440343985 and 121200440344003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121200440344021) 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, 4924032560 + ... + 4924057173.

It is an arithmetic number, because the mean of its divisors is an integer number (15678158856528).

Almost surely, 2^{121200440344031} is an apocalyptic number.

121200440344031 is a deficient number, since it is larger than the sum of its proper divisors (4224830508193).

121200440344031 is an equidigital number, since it uses as much as digits as its factorization.

121200440344031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9848090161.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 121200440344031 its reverse (130443044002121), we get a palindrome (251643484346152).

The spelling of 121200440344031 in words is "one hundred twenty-one trillion, two hundred billion, four hundred forty million, three hundred forty-four thousand, thirty-one".