1201042315532 has 24 divisors (see below), whose sum is σ = 2114821207296. Its totient is φ = 596808042768.

The previous prime is 1201042315519. The next prime is 1201042315537. The reversal of 1201042315532 is 2355132401021.

It is a junction number, because it is equal to n+sod(n) for n = 1201042315495 and 1201042315504.

It is not an unprimeable number, because it can be changed into a prime (1201042315537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21048713 + ... + 21105695.

It is an arithmetic number, because the mean of its divisors is an integer number (88117550304).

Almost surely, 2^{1201042315532} is an apocalyptic number.

It is an amenable number.

1201042315532 is a deficient number, since it is larger than the sum of its proper divisors (913778891764).

1201042315532 is a wasteful number, since it uses less digits than its factorization.

1201042315532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89477 (or 89475 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 1201042315532 its reverse (2355132401021), we get a palindrome (3556174716553).

The spelling of 1201042315532 in words is "one trillion, two hundred one billion, forty-two million, three hundred fifteen thousand, five hundred thirty-two".