102212004 has 24 divisors (see below), whose sum is σ = 240956128. Its totient is φ = 33719040.

The previous prime is 102211999. The next prime is 102212009. The reversal of 102212004 is 400212201.

It is an interprime number because it is at equal distance from previous prime (102211999) and next prime (102212009).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (102212009) 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, 42742 + ... + 45069.

Almost surely, 2^102212004 is an apocalyptic number.

It is an amenable number.

102212004 is an abundant number, since it is smaller than the sum of its proper divisors (138744124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102212004 is a wasteful number, since it uses less digits than its factorization.

102212004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87915 (or 87913 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 102212004 is about 10109.9952522244. The cubic root of 102212004 is about 467.5563587483.

Adding to 102212004 its reverse (400212201), we get a palindrome (502424205).

The spelling of 102212004 in words is "one hundred two million, two hundred twelve thousand, four".