1229612887441 has 4 divisors (see below), whose sum is σ = 1229623347312. Its totient is φ = 1229602427572.

The previous prime is 1229612887409. The next prime is 1229612887507. The reversal of 1229612887441 is 1447882169221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1229612887441 - 2⁵ = 1229612887409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1229612887141) 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, 5051575 + ... + 5289388.

It is an arithmetic number, because the mean of its divisors is an integer number (307405836828).

Almost surely, 2^{1229612887441} is an apocalyptic number.

It is an amenable number.

1229612887441 is a deficient number, since it is larger than the sum of its proper divisors (10459871).

1229612887441 is a wasteful number, since it uses less digits than its factorization.

1229612887441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10459870.

The product of its digits is 3096576, while the sum is 55.

The spelling of 1229612887441 in words is "one trillion, two hundred twenty-nine billion, six hundred twelve million, eight hundred eighty-seven thousand, four hundred forty-one".