212320719 has 24 divisors (see below), whose sum is σ = 334814480. Its totient is φ = 128863872.

The previous prime is 212320711. The next prime is 212320721. The reversal of 212320719 is 917023212.

It is not a de Polignac number, because 212320719 - 2³ = 212320711 is a prime.

It is a super-2 number, since 2×212320719² = 90160175433353922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212320692 and 212320701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212320711) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3889 + ... + 20970.

Almost surely, 2^212320719 is an apocalyptic number.

212320719 is a deficient number, since it is larger than the sum of its proper divisors (122493761).

212320719 is a wasteful number, since it uses less digits than its factorization.

212320719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24951 (or 24948 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 212320719 is about 14571.2291519968. The cubic root of 212320719 is about 596.5737300329.

The spelling of 212320719 in words is "two hundred twelve million, three hundred twenty thousand, seven hundred nineteen".