212174130 has 32 divisors (see below), whose sum is σ = 581963904. Its totient is φ = 48496896.

The previous prime is 212174119. The next prime is 212174141. The reversal of 212174130 is 31471212.

It is an interprime number because it is at equal distance from previous prime (212174119) and next prime (212174141).

It is a super-2 number, since 2×212174130² = 90035722882513800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 212174097 and 212174106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 504967 + ... + 505386.

It is an arithmetic number, because the mean of its divisors is an integer number (18186372).

Almost surely, 2^212174130 is an apocalyptic number.

212174130 is an abundant number, since it is smaller than the sum of its proper divisors (369789774).

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

212174130 is a wasteful number, since it uses less digits than its factorization.

212174130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010370.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 212174130 is about 14566.1981999422. The cubic root of 212174130 is about 596.4364043235.

The spelling of 212174130 in words is "two hundred twelve million, one hundred seventy-four thousand, one hundred thirty".