1012120121110 has 16 divisors (see below), whose sum is σ = 2082075677856. Its totient is φ = 347012612928.

The previous prime is 1012120121029. The next prime is 1012120121149. The reversal of 1012120121110 is 111210212101.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7229429367 + ... + 7229429506.

It is an arithmetic number, because the mean of its divisors is an integer number (130129729866).

Almost surely, 2^{1012120121110} is an apocalyptic number.

1012120121110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012120121110 is an abundant number, since it is smaller than the sum of its proper divisors (1069955556746).

1012120121110 is a wasteful number, since it uses less digits than its factorization.

1012120121110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14458858887.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1012120121110 its reverse (111210212101), we get a palindrome (1123330333211).

Subtracting from 1012120121110 its reverse (111210212101), we obtain a palindrome (900909909009).

The spelling of 1012120121110 in words is "one trillion, twelve billion, one hundred twenty million, one hundred twenty-one thousand, one hundred ten".