1213401001411 has 4 divisors (see below), whose sum is σ = 1224533120800. Its totient is φ = 1202268882024.

The previous prime is 1213401001399. The next prime is 1213401001451. The reversal of 1213401001411 is 1141001043121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1213401001411 - 2²¹ = 1213398904259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213401001451) 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, 5566059531 + ... + 5566059748.

It is an arithmetic number, because the mean of its divisors is an integer number (306133280200).

Almost surely, 2^{1213401001411} is an apocalyptic number.

1213401001411 is a deficient number, since it is larger than the sum of its proper divisors (11132119389).

1213401001411 is a wasteful number, since it uses less digits than its factorization.

1213401001411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11132119388.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 1213401001411 its reverse (1141001043121), we get a palindrome (2354402044532).

It can be divided in two parts, 121340 and 1001411, that added together give a triangular number (1122751 = T₁₄₉₈).

The spelling of 1213401001411 in words is "one trillion, two hundred thirteen billion, four hundred one million, one thousand, four hundred eleven".