120001021202020 has 48 divisors (see below), whose sum is σ = 291648051555840. Its totient is φ = 40622407173504.

The previous prime is 120001021201993. The next prime is 120001021202089. The reversal of 120001021202020 is 20202120100021.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5424989899 + ... + 5425012018.

It is an arithmetic number, because the mean of its divisors is an integer number (6076001074080).

Almost surely, 2^{120001021202020} is an apocalyptic number.

120001021202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120001021202020 is an abundant number, since it is smaller than the sum of its proper divisors (171647030353820).

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

120001021202020 is a wasteful number, since it uses less digits than its factorization.

120001021202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10850002012 (or 10850002010 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 120001021202020 its reverse (20202120100021), we get a palindrome (140203141302041).

The spelling of 120001021202020 in words is "one hundred twenty trillion, one billion, twenty-one million, two hundred two thousand, twenty".