1361211723124 has 24 divisors (see below), whose sum is σ = 2605643919648. Its totient is φ = 617073793440.

The previous prime is 1361211723121. The next prime is 1361211723163. The reversal of 1361211723124 is 4213271121631.

It is a self number, because there is not a number n which added to its sum of digits gives 1361211723124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361211723121) 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, 41453602 + ... + 41486425.

It is an arithmetic number, because the mean of its divisors is an integer number (108568496652).

Almost surely, 2^{1361211723124} is an apocalyptic number.

It is an amenable number.

1361211723124 is a deficient number, since it is larger than the sum of its proper divisors (1244432196524).

1361211723124 is a wasteful number, since it uses less digits than its factorization.

1361211723124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82940415 (or 82940413 counting only the distinct ones).

The product of its digits is 12096, while the sum is 34.

Adding to 1361211723124 its reverse (4213271121631), we get a palindrome (5574482844755).

The spelling of 1361211723124 in words is "one trillion, three hundred sixty-one billion, two hundred eleven million, seven hundred twenty-three thousand, one hundred twenty-four".