1121212333142 has 32 divisors (see below), whose sum is σ = 1873937721600. Its totient is φ = 498848968800.

The previous prime is 1121212333127. The next prime is 1121212333261. The reversal of 1121212333142 is 2413332121211.

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, 2364917 + ... + 2799152.

It is an arithmetic number, because the mean of its divisors is an integer number (58560553800).

Almost surely, 2^{1121212333142} is an apocalyptic number.

1121212333142 is a deficient number, since it is larger than the sum of its proper divisors (752725388458).

1121212333142 is a wasteful number, since it uses less digits than its factorization.

1121212333142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5164292.

The product of its digits is 1728, while the sum is 26.

Adding to 1121212333142 its reverse (2413332121211), we get a palindrome (3534544454353).

The spelling of 1121212333142 in words is "one trillion, one hundred twenty-one billion, two hundred twelve million, three hundred thirty-three thousand, one hundred forty-two".