212431102 has 16 divisors (see below), whose sum is σ = 349634880. Its totient is φ = 96194592.

The previous prime is 212431069. The next prime is 212431103. The reversal of 212431102 is 201134212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212431103) 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, 75702 + ... + 78457.

It is an arithmetic number, because the mean of its divisors is an integer number (21852180).

Almost surely, 2^212431102 is an apocalyptic number.

212431102 is a deficient number, since it is larger than the sum of its proper divisors (137203778).

212431102 is a wasteful number, since it uses less digits than its factorization.

212431102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154227.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 212431102 is about 14575.0163636272. The cubic root of 212431102 is about 596.6770959688.

Adding to 212431102 its reverse (201134212), we get a palindrome (413565314).

The spelling of 212431102 in words is "two hundred twelve million, four hundred thirty-one thousand, one hundred two".