126111121213 has 32 divisors (see below), whose sum is σ = 158070528000. Its totient is φ = 97743952320.

The previous prime is 126111121211. The next prime is 126111121259. The reversal of 126111121213 is 312121111621.

It is not a de Polignac number, because 126111121213 - 2¹ = 126111121211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126111121211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13645248 + ... + 13654486.

It is an arithmetic number, because the mean of its divisors is an integer number (4939704000).

Almost surely, 2^126111121213 is an apocalyptic number.

It is an amenable number.

126111121213 is a deficient number, since it is larger than the sum of its proper divisors (31959406787).

126111121213 is a wasteful number, since it uses less digits than its factorization.

126111121213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10185.

The product of its digits is 144, while the sum is 22.

Adding to 126111121213 its reverse (312121111621), we get a palindrome (438232232834).

The spelling of 126111121213 in words is "one hundred twenty-six billion, one hundred eleven million, one hundred twenty-one thousand, two hundred thirteen".