1213234119 has 24 divisors (see below), whose sum is σ = 1835385552. Its totient is φ = 800798400.

The previous prime is 1213234093. The next prime is 1213234133. The reversal of 1213234119 is 9114323121.

It is not a de Polignac number, because 1213234119 - 2¹² = 1213230023 is a prime.

It is a super-2 number, since 2×1213234119² = 2943874055011412322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1213234092 and 1213234101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213234619) 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, 174 + ... + 49259.

It is an arithmetic number, because the mean of its divisors is an integer number (76474398).

Almost surely, 2^1213234119 is an apocalyptic number.

1213234119 is a deficient number, since it is larger than the sum of its proper divisors (622151433).

1213234119 is an equidigital number, since it uses as much as digits as its factorization.

1213234119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49549 (or 49537 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 1213234119 is about 34831.5104323657. The cubic root of 1213234119 is about 1066.5507818224.

The spelling of 1213234119 in words is "one billion, two hundred thirteen million, two hundred thirty-four thousand, one hundred nineteen".