1212969234 has 32 divisors (see below), whose sum is σ = 2555640000. Its totient is φ = 382739904.

The previous prime is 1212969229. The next prime is 1212969269. The reversal of 1212969234 is 4329692121.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 1212969192 and 1212969201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173152 + ... + 180020.

It is an arithmetic number, because the mean of its divisors is an integer number (79863750).

Almost surely, 2^1212969234 is an apocalyptic number.

1212969234 is an abundant number, since it is smaller than the sum of its proper divisors (1342670766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1212969234 is a wasteful number, since it uses less digits than its factorization.

1212969234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8442.

The product of its digits is 46656, while the sum is 39.

The square root of 1212969234 is about 34827.7078487804. The cubic root of 1212969234 is about 1066.4731562808.

The spelling of 1212969234 in words is "one billion, two hundred twelve million, nine hundred sixty-nine thousand, two hundred thirty-four".