1122020120000 has 140 divisors (see below), whose sum is σ = 2996265494376. Its totient is φ = 414284160000.

The previous prime is 1122020119963. The next prime is 1122020120003. The reversal of 1122020120000 is 210202211.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122020120003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 558866 + ... + 1598865.

Almost surely, 2^{1122020120000} is an apocalyptic number.

1122020120000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122020120000 is an abundant number, since it is smaller than the sum of its proper divisors (1874245374376).

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

1122020120000 is an equidigital number, since it uses as much as digits as its factorization.

1122020120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2157776 (or 2157751 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1122020120000 its reverse (210202211), we get a palindrome (1122230322211).

The spelling of 1122020120000 in words is "one trillion, one hundred twenty-two billion, twenty million, one hundred twenty thousand".