1213380154124 has 12 divisors (see below), whose sum is σ = 2123446361400. Its totient is φ = 606681193728.

The previous prime is 1213380154123. The next prime is 1213380154127. The reversal of 1213380154124 is 4214510833121.

It is not an unprimeable number, because it can be changed into a prime (1213380154121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1908629 + ... + 2463660.

It is an arithmetic number, because the mean of its divisors is an integer number (176953863450).

Almost surely, 2^{1213380154124} is an apocalyptic number.

It is an amenable number.

1213380154124 is a deficient number, since it is larger than the sum of its proper divisors (910066207276).

1213380154124 is a wasteful number, since it uses less digits than its factorization.

1213380154124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4441672 (or 4441670 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

Adding to 1213380154124 its reverse (4214510833121), we get a palindrome (5427890987245).

The spelling of 1213380154124 in words is "one trillion, two hundred thirteen billion, three hundred eighty million, one hundred fifty-four thousand, one hundred twenty-four".