211012030 has 16 divisors (see below), whose sum is σ = 379987200. Its totient is φ = 84368032.

The previous prime is 211012013. The next prime is 211012037. The reversal of 211012030 is 30210112.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 211011998 and 211012016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211012037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41571 + ... + 46369.

It is an arithmetic number, because the mean of its divisors is an integer number (23749200).

Almost surely, 2^211012030 is an apocalyptic number.

211012030 is a deficient number, since it is larger than the sum of its proper divisors (168975170).

211012030 is a wasteful number, since it uses less digits than its factorization.

211012030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9203.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 211012030 is about 14526.2531301089. The cubic root of 211012030 is about 595.3454952698.

Adding to 211012030 its reverse (30210112), we get a palindrome (241222142).

The spelling of 211012030 in words is "two hundred eleven million, twelve thousand, thirty".