120221220212 has 6 divisors (see below), whose sum is σ = 210387135378. Its totient is φ = 60110610104.

The previous prime is 120221220173. The next prime is 120221220227. The reversal of 120221220212 is 212022122021.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 79548817936 + 40672402276 = 282044^2 + 201674^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15027652523 + ... + 15027652530.

It is an arithmetic number, because the mean of its divisors is an integer number (35064522563).

Almost surely, 2^120221220212 is an apocalyptic number.

It is an amenable number.

120221220212 is a deficient number, since it is larger than the sum of its proper divisors (90165915166).

120221220212 is a wasteful number, since it uses less digits than its factorization.

120221220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30055305057 (or 30055305055 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 120221220212 its reverse (212022122021), we get a palindrome (332243342233).

It can be divided in two parts, 12022122021 and 2, that multiplied together give a palindrome (24044244042).

The spelling of 120221220212 in words is "one hundred twenty billion, two hundred twenty-one million, two hundred twenty thousand, two hundred twelve".