1200102222 has 32 divisors (see below), whose sum is σ = 2679304320. Its totient is φ = 355209120.

The previous prime is 1200102221. The next prime is 1200102251. The reversal of 1200102222 is 2222010021.

It is a junction number, because it is equal to n+sod(n) for n = 1200102198 and 1200102207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200102221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208597 + ... + 214272.

It is an arithmetic number, because the mean of its divisors is an integer number (83728260).

Almost surely, 2^1200102222 is an apocalyptic number.

1200102222 is an abundant number, since it is smaller than the sum of its proper divisors (1479202098).

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

1200102222 is a wasteful number, since it uses less digits than its factorization.

1200102222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422928.

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

The square root of 1200102222 is about 34642.4915674378. The cubic root of 1200102222 is about 1062.6887425159.

Adding to 1200102222 its reverse (2222010021), we get a palindrome (3422112243).

The spelling of 1200102222 in words is "one billion, two hundred million, one hundred two thousand, two hundred twenty-two".