212042104 has 16 divisors (see below), whose sum is σ = 397924920. Its totient is φ = 105928800.

The previous prime is 212042099. The next prime is 212042107. The reversal of 212042104 is 401240212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212042107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1222 + ... + 20629.

Almost surely, 2^212042104 is an apocalyptic number.

It is an amenable number.

212042104 is a deficient number, since it is larger than the sum of its proper divisors (185882816).

212042104 is a wasteful number, since it uses less digits than its factorization.

212042104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23070 (or 23066 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 212042104 is about 14561.6655640761. The cubic root of 212042104 is about 596.3126671970.

Adding to 212042104 its reverse (401240212), we get a palindrome (613282316).

The spelling of 212042104 in words is "two hundred twelve million, forty-two thousand, one hundred four".