212040196 has 12 divisors (see below), whose sum is σ = 371700252. Its totient is φ = 105840128.

The previous prime is 212040161. The next prime is 212040203. The reversal of 212040196 is 691040212.

It can be written as a sum of positive squares in 2 ways, for example, as 76317696 + 135722500 = 8736^2 + 11650^2 .

It is a super-2 number, since 2×212040196² = 89922089439436832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212040196.

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, 42325 + ... + 47068.

It is an arithmetic number, because the mean of its divisors is an integer number (30975021).

Almost surely, 2^212040196 is an apocalyptic number.

It is an amenable number.

212040196 is a deficient number, since it is larger than the sum of its proper divisors (159660056).

212040196 is a wasteful number, since it uses less digits than its factorization.

212040196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89990 (or 89988 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 212040196 is about 14561.6000494451. The cubic root of 212040196 is about 596.3108786089.

The spelling of 212040196 in words is "two hundred twelve million, forty thousand, one hundred ninety-six".