212319436 has 24 divisors (see below), whose sum is σ = 425917856. Its totient is φ = 90720000.

The previous prime is 212319427. The next prime is 212319461. The reversal of 212319436 is 634913212.

It is a junction number, because it is equal to n+sod(n) for n = 212319398 and 212319407.

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, 1815 + ... + 20686.

Almost surely, 2^212319436 is an apocalyptic number.

It is an amenable number.

212319436 is an abundant number, since it is smaller than the sum of its proper divisors (213598420).

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

212319436 is a wasteful number, since it uses less digits than its factorization.

212319436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22849 (or 22847 counting only the distinct ones).

The product of its digits is 7776, while the sum is 31.

The square root of 212319436 is about 14571.1851268179. The cubic root of 212319436 is about 596.5725283828.

It can be divided in two parts, 21231 and 9436, that multiplied together give a square (200335716 = 14154²).

The spelling of 212319436 in words is "two hundred twelve million, three hundred nineteen thousand, four hundred thirty-six".