1212200002 has 8 divisors (see below), whose sum is σ = 1958169276. Its totient is φ = 559476912.

The previous prime is 1212199951. The next prime is 1212200021. The reversal of 1212200002 is 2000022121.

It can be written as a sum of positive squares in 2 ways, for example, as 1209578841 + 2621161 = 34779^2 + 1619^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23311513 + ... + 23311564.

Almost surely, 2^1212200002 is an apocalyptic number.

1212200002 is a deficient number, since it is larger than the sum of its proper divisors (745969274).

1212200002 is a wasteful number, since it uses less digits than its factorization.

1212200002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46623092.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1212200002 is about 34816.6627062388. The cubic root of 1212200002 is about 1066.2476658795.

Adding to 1212200002 its reverse (2000022121), we get a palindrome (3212222123).

The spelling of 1212200002 in words is "one billion, two hundred twelve million, two hundred thousand, two".