12122221212010 has 32 divisors (see below), whose sum is σ = 26855382379392. Its totient is φ = 3836483196480.

The previous prime is 12122221211963. The next prime is 12122221212043. The reversal of 12122221212010 is 1021212222121.

It is a super-2 number, since 2×12122221212010² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6660560196 + ... + 6660562015.

It is an arithmetic number, because the mean of its divisors is an integer number (839230699356).

Almost surely, 2^{12122221212010} is an apocalyptic number.

12122221212010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12122221212010 is an abundant number, since it is smaller than the sum of its proper divisors (14733161167382).

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

12122221212010 is a wasteful number, since it uses less digits than its factorization.

12122221212010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13321122238.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12122221212010 its reverse (1021212222121), we get a palindrome (13143433434131).

The spelling of 12122221212010 in words is "twelve trillion, one hundred twenty-two billion, two hundred twenty-one million, two hundred twelve thousand, ten".