1201010220120 has 64 divisors (see below), whose sum is σ = 3610746097920. Its totient is φ = 319583575424.

The previous prime is 1201010220103. The next prime is 1201010220127. The reversal of 1201010220120 is 210220101021.

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 = 1201010220096 and 1201010220105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201010220127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10659612 + ... + 10771691.

It is an arithmetic number, because the mean of its divisors is an integer number (56417907780).

Almost surely, 2^{1201010220120} is an apocalyptic number.

1201010220120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201010220120 is an abundant number, since it is smaller than the sum of its proper divisors (2409735877800).

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

1201010220120 is a wasteful number, since it uses less digits than its factorization.

1201010220120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21431784 (or 21431780 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1201010220120 its reverse (210220101021), we get a palindrome (1411230321141).

The spelling of 1201010220120 in words is "one trillion, two hundred one billion, ten million, two hundred twenty thousand, one hundred twenty".