121314444401142 has 24 divisors (see below), whose sum is σ = 263947745149920. Its totient is φ = 40268950859760.

The previous prime is 121314444401141. The next prime is 121314444401147. The reversal of 121314444401142 is 241104444413121.

121314444401142 is a `hidden beast` number, since 1 + 2 + 1 + 31 + 4 + 44 + 440 + 1 + 142 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 121314444401097 and 121314444401106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121314444401141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14099768409 + ... + 14099777012.

It is an arithmetic number, because the mean of its divisors is an integer number (10997822714580).

Almost surely, 2^{121314444401142} is an apocalyptic number.

121314444401142 is an abundant number, since it is smaller than the sum of its proper divisors (142633300748778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121314444401142 is a wasteful number, since it uses less digits than its factorization.

121314444401142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28199545668 (or 28199545665 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

Adding to 121314444401142 its reverse (241104444413121), we get a palindrome (362418888814263).

The spelling of 121314444401142 in words is "one hundred twenty-one trillion, three hundred fourteen billion, four hundred forty-four million, four hundred one thousand, one hundred forty-two".