12201021146123 has 8 divisors (see below), whose sum is σ = 12229696805376. Its totient is φ = 12172378545000.

The previous prime is 12201021146107. The next prime is 12201021146143. The reversal of 12201021146123 is 32164112010221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12201021146123 - 2⁴ = 12201021146107 is a prime.

It is a super-2 number, since 2×12201021146123² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12201021146092 and 12201021146101.

It is not an unprimeable number, because it can be changed into a prime (12201021146143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7525433 + ... + 9001898.

It is an arithmetic number, because the mean of its divisors is an integer number (1528712100672).

Almost surely, 2^{12201021146123} is an apocalyptic number.

12201021146123 is a deficient number, since it is larger than the sum of its proper divisors (28675659253).

12201021146123 is an equidigital number, since it uses as much as digits as its factorization.

12201021146123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16529065.

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 12201021146123 its reverse (32164112010221), we get a palindrome (44365133156344).

It can be divided in two parts, 1220 and 1021146123, that added together give a cube (1021147343 = 1007³).

The spelling of 12201021146123 in words is "twelve trillion, two hundred one billion, twenty-one million, one hundred forty-six thousand, one hundred twenty-three".