103142012120442 has 24 divisors (see below), whose sum is σ = 224644382426880. Its totient is φ = 34200667194120.

The previous prime is 103142012120431. The next prime is 103142012120447. The reversal of 103142012120442 is 244021210241301.

103142012120442 is a `hidden beast` number, since 1 + 0 + 3 + 1 + 4 + 2 + 0 + 1 + 212 + 0 + 442 = 666.

It is a super-2 number, since 2×103142012120442² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (103142012120447) 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, 15000289192 + ... + 15000296067.

It is an arithmetic number, because the mean of its divisors is an integer number (9360182601120).

Almost surely, 2^{103142012120442} is an apocalyptic number.

103142012120442 is an abundant number, since it is smaller than the sum of its proper divisors (121502370306438).

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

103142012120442 is a wasteful number, since it uses less digits than its factorization.

103142012120442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30000585458 (or 30000585455 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 103142012120442 its reverse (244021210241301), we get a palindrome (347163222361743).

The spelling of 103142012120442 in words is "one hundred three trillion, one hundred forty-two billion, twelve million, one hundred twenty thousand, four hundred forty-two".