212031196 has 36 divisors (see below), whose sum is σ = 413000616. Its totient is φ = 94681440.

The previous prime is 212031173. The next prime is 212031251. The reversal of 212031196 is 691130212.

It is a self number, because there is not a number n which added to its sum of digits gives 212031196.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47851 + ... + 52093.

Almost surely, 2^212031196 is an apocalyptic number.

212031196 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

212031196 is a deficient number, since it is larger than the sum of its proper divisors (200969420).

212031196 is a wasteful number, since it uses less digits than its factorization.

212031196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4322 (or 4289 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 212031196 is about 14561.2910141924. The cubic root of 212031196 is about 596.3024417277.

The spelling of 212031196 in words is "two hundred twelve million, thirty-one thousand, one hundred ninety-six".