211012430 has 8 divisors (see below), whose sum is σ = 379822392. Its totient is φ = 84404968.

The previous prime is 211012429. The next prime is 211012463. The reversal of 211012430 is 34210112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×211012430² = 89052491229009800, which contains 22 as substring.

It is a congruent number.

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, 10550612 + ... + 10550631.

It is an arithmetic number, because the mean of its divisors is an integer number (47477799).

Almost surely, 2^211012430 is an apocalyptic number.

211012430 is a deficient number, since it is larger than the sum of its proper divisors (168809962).

211012430 is a wasteful number, since it uses less digits than its factorization.

211012430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21101250.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 211012430 is about 14526.2668982778. The cubic root of 211012430 is about 595.3458714538.

Adding to 211012430 its reverse (34210112), we get a palindrome (245222542).

The spelling of 211012430 in words is "two hundred eleven million, twelve thousand, four hundred thirty".