1212222222002 has 8 divisors (see below), whose sum is σ = 1983636363312. Its totient is φ = 551010100900.

The previous prime is 1212222221983. The next prime is 1212222222007. The reversal of 1212222222002 is 2002222222121.

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

It is not an unprimeable number, because it can be changed into a prime (1212222222007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27550505024 + ... + 27550505067.

It is an arithmetic number, because the mean of its divisors is an integer number (247954545414).

Almost surely, 2^{1212222222002} is an apocalyptic number.

1212222222002 is a deficient number, since it is larger than the sum of its proper divisors (771414141310).

1212222222002 is a wasteful number, since it uses less digits than its factorization.

1212222222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55101010104.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 1212222222002 its reverse (2002222222121), we get a palindrome (3214444444123).

The spelling of 1212222222002 in words is "one trillion, two hundred twelve billion, two hundred twenty-two million, two hundred twenty-two thousand, two".