120001210120220 has 96 divisors (see below), whose sum is σ = 303279879381696. Its totient is φ = 39297684326400.

The previous prime is 120001210120193. The next prime is 120001210120229. The reversal of 120001210120220 is 22021012100021.

It is a junction number, because it is equal to n+sod(n) for n = 120001210120195 and 120001210120204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120001210120229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 511571339 + ... + 511805858.

It is an arithmetic number, because the mean of its divisors is an integer number (3159165410226).

Almost surely, 2^{120001210120220} is an apocalyptic number.

120001210120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120001210120220 is an abundant number, since it is smaller than the sum of its proper divisors (183278669261476).

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

120001210120220 is a wasteful number, since it uses less digits than its factorization.

120001210120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023377271 (or 1023377269 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 120001210120220 its reverse (22021012100021), we get a palindrome (142022222220241).

The spelling of 120001210120220 in words is "one hundred twenty trillion, one billion, two hundred ten million, one hundred twenty thousand, two hundred twenty".