120220212222100 has 36 divisors (see below), whose sum is σ = 267240735177948. Its totient is φ = 46915204768000.

The previous prime is 120220212222023. The next prime is 120220212222109. The reversal of 120220212222100 is 1222212022021.

It can be written as a sum of positive squares in 6 ways, for example, as 46635623424784 + 73584588797316 = 6829028^2 + 8578146^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120220212222109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14660997391 + ... + 14661005590.

It is an arithmetic number, because the mean of its divisors is an integer number (7423353754943).

Almost surely, 2^{120220212222100} is an apocalyptic number.

120220212222100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120220212222100 is an abundant number, since it is smaller than the sum of its proper divisors (147020522955848).

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

120220212222100 is a wasteful number, since it uses less digits than its factorization.

120220212222100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29322003036 (or 29322003029 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 120220212222100 its reverse (1222212022021), we get a palindrome (121442424244121).

The spelling of 120220212222100 in words is "one hundred twenty trillion, two hundred twenty billion, two hundred twelve million, two hundred twenty-two thousand, one hundred".