1237443136242 has 24 divisors (see below), whose sum is σ = 2611999089936. Its totient is φ = 390771516024.

The previous prime is 1237443136229. The next prime is 1237443136277. The reversal of 1237443136242 is 2426313447321.

It is a junction number, because it is equal to n+sod(n) for n = 1237443136194 and 1237443136203.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 285649528 + ... + 285653859.

It is an arithmetic number, because the mean of its divisors is an integer number (108833295414).

Almost surely, 2^{1237443136242} is an apocalyptic number.

1237443136242 is an abundant number, since it is smaller than the sum of its proper divisors (1374555953694).

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

1237443136242 is a wasteful number, since it uses less digits than its factorization.

1237443136242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571303430 (or 571303411 counting only the distinct ones).

The product of its digits is 580608, while the sum is 42.

The spelling of 1237443136242 in words is "one trillion, two hundred thirty-seven billion, four hundred forty-three million, one hundred thirty-six thousand, two hundred forty-two".