122012650 has 12 divisors (see below), whose sum is σ = 226943622. Its totient is φ = 48805040.

The previous prime is 122012641. The next prime is 122012651. The reversal of 122012650 is 56210221.

It can be written as a sum of positive squares in 3 ways, for example, as 100861849 + 21150801 = 10043^2 + 4599^2 .

It is not an unprimeable number, because it can be changed into a prime (122012651) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1220077 + ... + 1220176.

Almost surely, 2^122012650 is an apocalyptic number.

122012650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122012650 is a deficient number, since it is larger than the sum of its proper divisors (104930972).

122012650 is a wasteful number, since it uses less digits than its factorization.

122012650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2440265 (or 2440260 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 122012650 is about 11045.9336409377. The cubic root of 122012650 is about 495.9847078402.

Adding to 122012650 its reverse (56210221), we get a palindrome (178222871).

The spelling of 122012650 in words is "one hundred twenty-two million, twelve thousand, six hundred fifty".