1241135543012 has 12 divisors (see below), whose sum is σ = 2171997988860. Its totient is φ = 620564689056.

The previous prime is 1241135542987. The next prime is 1241135543033. The reversal of 1241135543012 is 2103455311421.

It can be written as a sum of positive squares in 2 ways, for example, as 797281124836 + 443854418176 = 892906^2 + 666224^2 .

It is a super-2 number, since 2×1241135543012² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1241135543012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300878 + ... + 1603994.

It is an arithmetic number, because the mean of its divisors is an integer number (180999832405).

Almost surely, 2^{1241135543012} is an apocalyptic number.

It is an amenable number.

1241135543012 is a deficient number, since it is larger than the sum of its proper divisors (930862445848).

1241135543012 is a wasteful number, since it uses less digits than its factorization.

1241135543012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1541230 (or 1541228 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 1241135543012 in words is "one trillion, two hundred forty-one billion, one hundred thirty-five million, five hundred forty-three thousand, twelve".