12012020122 has 16 divisors (see below), whose sum is σ = 18491965632. Its totient is φ = 5850070240.

The previous prime is 12012020107. The next prime is 12012020131. The reversal of 12012020122 is 22102021021.

It is a happy number.

It is a super-2 number, since 2×12012020122² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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, 497803 + ... + 521374.

It is an arithmetic number, because the mean of its divisors is an integer number (1155747852).

Almost surely, 2^12012020122 is an apocalyptic number.

12012020122 is a deficient number, since it is larger than the sum of its proper divisors (6479945510).

12012020122 is a wasteful number, since it uses less digits than its factorization.

12012020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019333.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12012020122 its reverse (22102021021), we get a palindrome (34114041143).

The spelling of 12012020122 in words is "twelve billion, twelve million, twenty thousand, one hundred twenty-two".