212022240102 has 24 divisors (see below), whose sum is σ = 460046354040. Its totient is φ = 70571797920.

The previous prime is 212022240037. The next prime is 212022240107. The reversal of 212022240102 is 201042220212.

212022240102 is a `hidden beast` number, since 21 + 20 + 222 + 401 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212022240107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8510727 + ... + 8535602.

It is an arithmetic number, because the mean of its divisors is an integer number (19168598085).

Almost surely, 2^212022240102 is an apocalyptic number.

212022240102 is an abundant number, since it is smaller than the sum of its proper divisors (248024113938).

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

212022240102 is a wasteful number, since it uses less digits than its factorization.

212022240102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17047028 (or 17047025 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 212022240102 its reverse (201042220212), we get a palindrome (413064460314).

The spelling of 212022240102 in words is "two hundred twelve billion, twenty-two million, two hundred forty thousand, one hundred two".