1212465163 has 24 divisors (see below), whose sum is σ = 1544704560. Its totient is φ = 943024320.

The previous prime is 1212465131. The next prime is 1212465167. The reversal of 1212465163 is 3615642121.

It is a happy number.

It is not a de Polignac number, because 1212465163 - 2⁵ = 1212465131 is a prime.

It is a super-4 number, since 4×1212465163⁴ (a number of 37 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (1212465167) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21453 + ... + 53713.

It is an arithmetic number, because the mean of its divisors is an integer number (64362690).

Almost surely, 2^1212465163 is an apocalyptic number.

1212465163 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1212465163 is a deficient number, since it is larger than the sum of its proper divisors (332239397).

1212465163 is a wasteful number, since it uses less digits than its factorization.

1212465163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32347 (or 32340 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 1212465163 is about 34820.4704591997. The cubic root of 1212465163 is about 1066.3254051647.

The spelling of 1212465163 in words is "one billion, two hundred twelve million, four hundred sixty-five thousand, one hundred sixty-three".