212103311230 has 16 divisors (see below), whose sum is σ = 401879958480. Its totient is φ = 80375991552.

The previous prime is 212103311201. The next prime is 212103311263. The reversal of 212103311230 is 32113301212.

It is a super-2 number, since 2×212103311230² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 212103311198 and 212103311207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 558166419 + ... + 558166798.

It is an arithmetic number, because the mean of its divisors is an integer number (25117497405).

Almost surely, 2^212103311230 is an apocalyptic number.

212103311230 is a deficient number, since it is larger than the sum of its proper divisors (189776647250).

212103311230 is a wasteful number, since it uses less digits than its factorization.

212103311230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116333243.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 212103311230 its reverse (32113301212), we get a palindrome (244216612442).

The spelling of 212103311230 in words is "two hundred twelve billion, one hundred three million, three hundred eleven thousand, two hundred thirty".