1212841441 has 4 divisors (see below), whose sum is σ = 1386104512. Its totient is φ = 1039578372.

The previous prime is 1212841429. The next prime is 1212841447. The reversal of 1212841441 is 1441482121.

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 not a de Polignac number, because 1212841441 - 2²⁷ = 1078623713 is a prime.

It is a super-2 number, since 2×1212841441² = 2941968722013912962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1212841447) 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, 86631525 + ... + 86631538.

It is an arithmetic number, because the mean of its divisors is an integer number (346526128).

Almost surely, 2^1212841441 is an apocalyptic number.

It is an amenable number.

1212841441 is a deficient number, since it is larger than the sum of its proper divisors (173263071).

1212841441 is an equidigital number, since it uses as much as digits as its factorization.

1212841441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173263070.

The product of its digits is 2048, while the sum is 28.

The square root of 1212841441 is about 34825.8731548830. The cubic root of 1212841441 is about 1066.4357020221.

The spelling of 1212841441 in words is "one billion, two hundred twelve million, eight hundred forty-one thousand, four hundred forty-one".