1120001200120 has 64 divisors (see below), whose sum is σ = 2749209724800. Its totient is φ = 407255998080.

The previous prime is 1120001200111. The next prime is 1120001200121. The reversal of 1120001200120 is 210021000211.

It is a Harshad number since it is a multiple of its sum of digits (10).

1120001200120 is a modest number, since divided by 1200120 gives 11200 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 1120001200097 and 1120001200106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120001200121) 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, 15548427 + ... + 15620293.

It is an arithmetic number, because the mean of its divisors is an integer number (42956401950).

Almost surely, 2^{1120001200120} is an apocalyptic number.

1120001200120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120001200120 is an abundant number, since it is smaller than the sum of its proper divisors (1629208524680).

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

1120001200120 is a wasteful number, since it uses less digits than its factorization.

1120001200120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107308 (or 107304 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1120001200120 its reverse (210021000211), we get a palindrome (1330022200331).

The spelling of 1120001200120 in words is "one trillion, one hundred twenty billion, one million, two hundred thousand, one hundred twenty".