1212323294 has 16 divisors (see below), whose sum is σ = 2238135648. Its totient is φ = 479600352.

The previous prime is 1212323257. The next prime is 1212323303. The reversal of 1212323294 is 4923232121.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3330377 + ... + 3330740.

It is an arithmetic number, because the mean of its divisors is an integer number (139883478).

Almost surely, 2^1212323294 is an apocalyptic number.

1212323294 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1212323294 is a deficient number, since it is larger than the sum of its proper divisors (1025812354).

1212323294 is a wasteful number, since it uses less digits than its factorization.

1212323294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6661139.

The product of its digits is 5184, while the sum is 29.

The square root of 1212323294 is about 34818.4332502196. The cubic root of 1212323294 is about 1066.2838137513.

The spelling of 1212323294 in words is "one billion, two hundred twelve million, three hundred twenty-three thousand, two hundred ninety-four".