122120210 has 8 divisors (see below), whose sum is σ = 219816396. Its totient is φ = 48848080.

The previous prime is 122120209. The next prime is 122120233. The reversal of 122120210 is 12021221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 120406729 + 1713481 = 10973^2 + 1309^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 122120191 and 122120200.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6106001 + ... + 6106020.

Almost surely, 2^122120210 is an apocalyptic number.

122120210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122120210 is a deficient number, since it is larger than the sum of its proper divisors (97696186).

122120210 is a wasteful number, since it uses less digits than its factorization.

122120210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12212028.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 122120210 is about 11050.8013284105. The cubic root of 122120210 is about 496.1304097996.

Adding to 122120210 its reverse (12021221), we get a palindrome (134141431).

The spelling of 122120210 in words is "one hundred twenty-two million, one hundred twenty thousand, two hundred ten".