121034321442 has 20 divisors (see below), whose sum is σ = 271206535446. Its totient is φ = 40344773760.

The previous prime is 121034321411. The next prime is 121034321453. The reversal of 121034321442 is 244123430121.

121034321442 is a `hidden beast` number, since 1 + 210 + 3 + 4 + 3 + 2 + 1 + 442 = 666.

It can be written as a sum of positive squares in only one way, i.e., 120380547681 + 653773761 = 346959^2 + 25569^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 373562559 + ... + 373562882.

Almost surely, 2^121034321442 is an apocalyptic number.

121034321442 is an abundant number, since it is smaller than the sum of its proper divisors (150172214004).

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

121034321442 is an equidigital number, since it uses as much as digits as its factorization.

121034321442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747125455 (or 747125446 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 121034321442 its reverse (244123430121), we get a palindrome (365157751563).

The spelling of 121034321442 in words is "one hundred twenty-one billion, thirty-four million, three hundred twenty-one thousand, four hundred forty-two".