222120001012002 has 32 divisors (see below), whose sum is σ = 444724340277888. Its totient is φ = 73959310279296.

The previous prime is 222120001012001. The next prime is 222120001012003. The reversal of 222120001012002 is 200210100021222.

It is an interprime number because it is at equal distance from previous prime (222120001012001) and next prime (222120001012003).

It is not an unprimeable number, because it can be changed into a prime (222120001012001) 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, 22831888 + ... + 31073060.

It is an arithmetic number, because the mean of its divisors is an integer number (13897635633684).

Almost surely, 2^{222120001012002} is an apocalyptic number.

222120001012002 is an abundant number, since it is smaller than the sum of its proper divisors (222604339265886).

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

222120001012002 is a wasteful number, since it uses less digits than its factorization.

222120001012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8246074.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 222120001012002 its reverse (200210100021222), we get a palindrome (422330101033224).

The spelling of 222120001012002 in words is "two hundred twenty-two trillion, one hundred twenty billion, one million, twelve thousand, two".