1201020030120 has 128 divisors (see below), whose sum is σ = 3644253504000. Its totient is φ = 316611778560.

The previous prime is 1201020030083. The next prime is 1201020030169. The reversal of 1201020030120 is 210300201021.

It is a super-2 number, since 2×1201020030120² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1201020030096 and 1201020030105.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87793441 + ... + 87807119.

It is an arithmetic number, because the mean of its divisors is an integer number (28470730500).

Almost surely, 2^{1201020030120} is an apocalyptic number.

1201020030120 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 1201020030120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1822126752000).

1201020030120 is an abundant number, since it is smaller than the sum of its proper divisors (2443233473880).

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

1201020030120 is a wasteful number, since it uses less digits than its factorization.

1201020030120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22003 (or 21999 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 1201020030120 its reverse (210300201021), we get a palindrome (1411320231141).

The spelling of 1201020030120 in words is "one trillion, two hundred one billion, twenty million, thirty thousand, one hundred twenty".