212012111030 has 128 divisors (see below), whose sum is σ = 404756352000. Its totient is φ = 79875694080.

The previous prime is 212012110967. The next prime is 212012111053. The reversal of 212012111030 is 30111210212.

It is a junction number, because it is equal to n+sod(n) for n = 212012110996 and 212012111014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 424873721 + ... + 424874219.

It is an arithmetic number, because the mean of its divisors is an integer number (3162159000).

Almost surely, 2^212012111030 is an apocalyptic number.

212012111030 is a deficient number, since it is larger than the sum of its proper divisors (192744240970).

212012111030 is a wasteful number, since it uses less digits than its factorization.

212012111030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 212012111030 its reverse (30111210212), we get a palindrome (242123321242).

The spelling of 212012111030 in words is "two hundred twelve billion, twelve million, one hundred eleven thousand, thirty".