12121141211137 has 8 divisors (see below), whose sum is σ = 13853124935936. Its totient is φ = 10389255517152.

The previous prime is 12121141211117. The next prime is 12121141211161. The reversal of 12121141211137 is 73111214112121.

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 12121141211137 - 2⁷ = 12121141211009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12121141211117) 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, 24242553 + ... + 24737494.

It is an arithmetic number, because the mean of its divisors is an integer number (1731640616992).

Almost surely, 2^{12121141211137} is an apocalyptic number.

It is an amenable number.

12121141211137 is a deficient number, since it is larger than the sum of its proper divisors (1731983724799).

12121141211137 is an equidigital number, since it uses as much as digits as its factorization.

12121141211137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49015407.

The product of its digits is 672, while the sum is 28.

Adding to 12121141211137 its reverse (73111214112121), we get a palindrome (85232355323258).

The spelling of 12121141211137 in words is "twelve trillion, one hundred twenty-one billion, one hundred forty-one million, two hundred eleven thousand, one hundred thirty-seven".