120201211020 has 96 divisors (see below), whose sum is σ = 379004000256. Its totient is φ = 28199692800.

The previous prime is 120201211019. The next prime is 120201211049. The reversal of 120201211020 is 20112102021.

It is a super-2 number, since 2×120201211020² (a number of 23 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 = 120201210987 and 120201211005.

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, 2917009 + ... + 2957928.

It is an arithmetic number, because the mean of its divisors is an integer number (3947958336).

Almost surely, 2^120201211020 is an apocalyptic number.

120201211020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120201211020 is an abundant number, since it is smaller than the sum of its proper divisors (258802789236).

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

120201211020 is a wasteful number, since it uses less digits than its factorization.

120201211020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5874991 (or 5874989 counting only the distinct ones).

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

Adding to 120201211020 its reverse (20112102021), we get a palindrome (140313313041).

The spelling of 120201211020 in words is "one hundred twenty billion, two hundred one million, two hundred eleven thousand, twenty".