12102120035534 has 8 divisors (see below), whose sum is σ = 18153425115840. Its totient is φ = 6050978330256.

The previous prime is 12102120035491. The next prime is 12102120035561. The reversal of 12102120035534 is 43553002120121.

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

It is a super-2 number, since 2×12102120035534² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12102120035497 and 12102120035506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40658399 + ... + 40954970.

It is an arithmetic number, because the mean of its divisors is an integer number (2269178139480).

Almost surely, 2^{12102120035534} is an apocalyptic number.

12102120035534 is a deficient number, since it is larger than the sum of its proper divisors (6051305080306).

12102120035534 is an equidigital number, since it uses as much as digits as its factorization.

12102120035534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81687514.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 12102120035534 its reverse (43553002120121), we get a palindrome (55655122155655).

The spelling of 12102120035534 in words is "twelve trillion, one hundred two billion, one hundred twenty million, thirty-five thousand, five hundred thirty-four".