12042120021134 has 32 divisors (see below), whose sum is σ = 21896020396800. Its totient is φ = 4851959037120.

The previous prime is 12042120021119. The next prime is 12042120021149. The reversal of 12042120021134 is 43112002124021.

It is an interprime number because it is at equal distance from previous prime (12042120021119) and next prime (12042120021149).

It is a congruent number.

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, 172755719 + ... + 172825410.

It is an arithmetic number, because the mean of its divisors is an integer number (684250637400).

Almost surely, 2^{12042120021134} is an apocalyptic number.

12042120021134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12042120021134 is a deficient number, since it is larger than the sum of its proper divisors (9853900375666).

12042120021134 is a wasteful number, since it uses less digits than its factorization.

12042120021134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345581288.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 12042120021134 its reverse (43112002124021), we get a palindrome (55154122145155).

The spelling of 12042120021134 in words is "twelve trillion, forty-two billion, one hundred twenty million, twenty-one thousand, one hundred thirty-four".