20120012212002 has 16 divisors (see below), whose sum is σ = 42357920446560. Its totient is φ = 6353688066912.

The previous prime is 20120012211941. The next prime is 20120012212009. The reversal of 20120012212002 is 20021221002102.

It is a super-2 number, since 2×20120012212002² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20120012212009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88245667483 + ... + 88245667710.

It is an arithmetic number, because the mean of its divisors is an integer number (2647370027910).

Almost surely, 2^{20120012212002} is an apocalyptic number.

20120012212002 is an abundant number, since it is smaller than the sum of its proper divisors (22237908234558).

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

20120012212002 is a wasteful number, since it uses less digits than its factorization.

20120012212002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176491335217.

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

Adding to 20120012212002 its reverse (20021221002102), we get a palindrome (40141233214104).

The spelling of 20120012212002 in words is "twenty trillion, one hundred twenty billion, twelve million, two hundred twelve thousand, two".