1201285345942 has 16 divisors (see below), whose sum is σ = 1978932546000. Its totient is φ = 542374102240.

The previous prime is 1201285345877. The next prime is 1201285345961. The reversal of 1201285345942 is 2495435821021.

It is a junction number, because it is equal to n+sod(n) for n = 1201285345892 and 1201285345901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183231217 + ... + 183237772.

It is an arithmetic number, because the mean of its divisors is an integer number (123683284125).

Almost surely, 2^{1201285345942} is an apocalyptic number.

1201285345942 is a deficient number, since it is larger than the sum of its proper divisors (777647200058).

1201285345942 is a wasteful number, since it uses less digits than its factorization.

1201285345942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366469151.

The product of its (nonzero) digits is 691200, while the sum is 46.

The spelling of 1201285345942 in words is "one trillion, two hundred one billion, two hundred eighty-five million, three hundred forty-five thousand, nine hundred forty-two".