120101212011220 has 24 divisors (see below), whose sum is σ = 275140958426208. Its totient is φ = 43673168004000.

The previous prime is 120101212011211. The next prime is 120101212011229. The reversal of 120101212011220 is 22110212101021.

It is an interprime number because it is at equal distance from previous prime (120101212011211) and next prime (120101212011229).

It is a super-2 number, since 2×120101212011220² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120101212011194 and 120101212011203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120101212011229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272957299806 + ... + 272957300245.

It is an arithmetic number, because the mean of its divisors is an integer number (11464206601092).

Almost surely, 2^{120101212011220} is an apocalyptic number.

120101212011220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120101212011220 is an abundant number, since it is smaller than the sum of its proper divisors (155039746414988).

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

120101212011220 is a wasteful number, since it uses less digits than its factorization.

120101212011220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545914600071 (or 545914600069 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 120101212011220 its reverse (22110212101021), we get a palindrome (142211424112241).

The spelling of 120101212011220 in words is "one hundred twenty trillion, one hundred one billion, two hundred twelve million, eleven thousand, two hundred twenty".