126111121210 has 32 divisors (see below), whose sum is σ = 229805138880. Its totient is φ = 49822346112.

The previous prime is 126111121207. The next prime is 126111121211. The reversal of 126111121210 is 12121111621.

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 15 ways as a sum of consecutive naturals, for example, 729117 + ... + 885343.

It is an arithmetic number, because the mean of its divisors is an integer number (7181410590).

Almost surely, 2^126111121210 is an apocalyptic number.

126111121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126111121210 is a deficient number, since it is larger than the sum of its proper divisors (103694017670).

126111121210 is a wasteful number, since it uses less digits than its factorization.

126111121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157230.

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 126111121210 its reverse (12121111621), we get a palindrome (138232232831).

The spelling of 126111121210 in words is "one hundred twenty-six billion, one hundred eleven million, one hundred twenty-one thousand, two hundred ten".