1142212303120 has 80 divisors (see below), whose sum is σ = 3037488588288. Its totient is φ = 391297282560.

The previous prime is 1142212303087. The next prime is 1142212303123. The reversal of 1142212303120 is 213032122411.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 1142212303091 and 1142212303100.

It is not an unprimeable number, because it can be changed into a prime (1142212303123) 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, 139099 + ... + 1517818.

Almost surely, 2^{1142212303120} is an apocalyptic number.

1142212303120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1142212303120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1518744294144).

1142212303120 is an abundant number, since it is smaller than the sum of its proper divisors (1895276285168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1142212303120 is a wasteful number, since it uses less digits than its factorization.

1142212303120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1658168 (or 1658162 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1142212303120 its reverse (213032122411), we get a palindrome (1355244425531).

The spelling of 1142212303120 in words is "one trillion, one hundred forty-two billion, two hundred twelve million, three hundred three thousand, one hundred twenty".