1213525422411 has 4 divisors (see below), whose sum is σ = 1618033896552. Its totient is φ = 809016948272.

The previous prime is 1213525422337. The next prime is 1213525422419. The reversal of 1213525422411 is 1142245253121.

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 1213525422411 - 2¹³ = 1213525414219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1213525422419) 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, 202254237066 + ... + 202254237071.

It is an arithmetic number, because the mean of its divisors is an integer number (404508474138).

Almost surely, 2^{1213525422411} is an apocalyptic number.

1213525422411 is a deficient number, since it is larger than the sum of its proper divisors (404508474141).

1213525422411 is an equidigital number, since it uses as much as digits as its factorization.

1213525422411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404508474140.

The product of its digits is 19200, while the sum is 33.

The spelling of 1213525422411 in words is "one trillion, two hundred thirteen billion, five hundred twenty-five million, four hundred twenty-two thousand, four hundred eleven".