1212223974 has 32 divisors (see below), whose sum is σ = 2622189024. Its totient is φ = 371385600.

The previous prime is 1212223951. The next prime is 1212224023. The reversal of 1212223974 is 4793222121.

It is a congruent number.

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, 15177 + ... + 51524.

It is an arithmetic number, because the mean of its divisors is an integer number (81943407).

Almost surely, 2^1212223974 is an apocalyptic number.

1212223974 is an abundant number, since it is smaller than the sum of its proper divisors (1409965050).

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

1212223974 is a wasteful number, since it uses less digits than its factorization.

1212223974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66952.

The product of its digits is 12096, while the sum is 33.

The square root of 1212223974 is about 34817.0069649877. The cubic root of 1212223974 is about 1066.2546944008.

The spelling of 1212223974 in words is "one billion, two hundred twelve million, two hundred twenty-three thousand, nine hundred seventy-four".