1212229794 has 16 divisors (see below), whose sum is σ = 2460646368. Its totient is φ = 398045472.

The previous prime is 1212229771. The next prime is 1212229807. The reversal of 1212229794 is 4979222121.

It is a super-2 number, since 2×1212229794² = 2939002146922564872, which contains 22 as substring.

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, 1507347 + ... + 1508150.

It is an arithmetic number, because the mean of its divisors is an integer number (153790398).

Almost surely, 2^1212229794 is an apocalyptic number.

1212229794 is an abundant number, since it is smaller than the sum of its proper divisors (1248416574).

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

1212229794 is a wasteful number, since it uses less digits than its factorization.

1212229794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3015569.

The product of its digits is 36288, while the sum is 39.

The square root of 1212229794 is about 34817.0905447310. The cubic root of 1212229794 is about 1066.2564007941.

The spelling of 1212229794 in words is "one billion, two hundred twelve million, two hundred twenty-nine thousand, seven hundred ninety-four".