212002122030 has 32 divisors (see below), whose sum is σ = 525218162688. Its totient is φ = 54710224800.

The previous prime is 212002121953. The next prime is 212002122043. The reversal of 212002122030 is 30221200212.

It is a happy number.

It is a super-2 number, since 2×212002122030² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113978706 + ... + 113980565.

It is an arithmetic number, because the mean of its divisors is an integer number (16413067584).

Almost surely, 2^212002122030 is an apocalyptic number.

212002122030 is an abundant number, since it is smaller than the sum of its proper divisors (313216040658).

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

212002122030 is a wasteful number, since it uses less digits than its factorization.

212002122030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227959312.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 212002122030 its reverse (30221200212), we get a palindrome (242223322242).

The spelling of 212002122030 in words is "two hundred twelve billion, two million, one hundred twenty-two thousand, thirty".