1212210222202 has 8 divisors (see below), whose sum is σ = 2078074666656. Its totient is φ = 519518666652.

The previous prime is 1212210222151. The next prime is 1212210222229. The reversal of 1212210222202 is 2022220122121.

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

It is a super-2 number, since 2×1212210222202² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1212210222202.

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, 43293222208 + ... + 43293222235.

It is an arithmetic number, because the mean of its divisors is an integer number (259759333332).

Almost surely, 2^{1212210222202} is an apocalyptic number.

1212210222202 is a deficient number, since it is larger than the sum of its proper divisors (865864444454).

1212210222202 is an equidigital number, since it uses as much as digits as its factorization.

1212210222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86586444452.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 1212210222202 its reverse (2022220122121), we get a palindrome (3234430344323).

The spelling of 1212210222202 in words is "one trillion, two hundred twelve billion, two hundred ten million, two hundred twenty-two thousand, two hundred two".