212382004 has 6 divisors (see below), whose sum is σ = 371668514. Its totient is φ = 106191000.

The previous prime is 212381999. The next prime is 212382007. The reversal of 212382004 is 400283212.

It can be written as a sum of positive squares in only one way, i.e., 205348900 + 7033104 = 14330^2 + 2652^2 .

It is a super-2 number, since 2×212382004² = 90212231246112032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212382007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26547747 + ... + 26547754.

Almost surely, 2^212382004 is an apocalyptic number.

It is an amenable number.

212382004 is a deficient number, since it is larger than the sum of its proper divisors (159286510).

212382004 is a wasteful number, since it uses less digits than its factorization.

212382004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53095505 (or 53095503 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 212382004 is about 14573.3319457151. The cubic root of 212382004 is about 596.6311235585.

The spelling of 212382004 in words is "two hundred twelve million, three hundred eighty-two thousand, four".