12020001212122 has 16 divisors (see below), whose sum is σ = 18930109995360. Its totient is φ = 5716150857648.

The previous prime is 12020001212101. The next prime is 12020001212207. The reversal of 12020001212122 is 22121210002021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12020001212096 and 12020001212105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1546573728 + ... + 1546581499.

It is an arithmetic number, because the mean of its divisors is an integer number (1183131874710).

Almost surely, 2^{12020001212122} is an apocalyptic number.

12020001212122 is a deficient number, since it is larger than the sum of its proper divisors (6910108783238).

12020001212122 is a wasteful number, since it uses less digits than its factorization.

12020001212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3093155325.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12020001212122 its reverse (22121210002021), we get a palindrome (34141211214143).

The spelling of 12020001212122 in words is "twelve trillion, twenty billion, one million, two hundred twelve thousand, one hundred twenty-two".