19433120212 has 12 divisors (see below), whose sum is σ = 37099593216. Its totient is φ = 8833236440.

The previous prime is 19433120207. The next prime is 19433120281. The reversal of 19433120212 is 21202133491.

It is a happy number.

It is a super-2 number, since 2×19433120212² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220830868 + ... + 220830955.

It is an arithmetic number, because the mean of its divisors is an integer number (3091632768).

Almost surely, 2^19433120212 is an apocalyptic number.

It is an amenable number.

19433120212 is a deficient number, since it is larger than the sum of its proper divisors (17666473004).

19433120212 is a wasteful number, since it uses less digits than its factorization.

19433120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441661838 (or 441661836 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 19433120212 in words is "nineteen billion, four hundred thirty-three million, one hundred twenty thousand, two hundred twelve".