1202122012 has 36 divisors (see below), whose sum is σ = 2603422416. Its totient is φ = 475562880.

The previous prime is 1202121997. The next prime is 1202122013. The reversal of 1202122012 is 2102212021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 1202121983 and 1202122001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202122013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122289 + ... + 131752.

Almost surely, 2^1202122012 is an apocalyptic number.

It is an amenable number.

1202122012 is an abundant number, since it is smaller than the sum of its proper divisors (1401300404).

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

1202122012 is a wasteful number, since it uses less digits than its factorization.

1202122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254078 (or 254063 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1202122012 is about 34671.6312278497. The cubic root of 1202122012 is about 1063.2845820577.

Adding to 1202122012 its reverse (2102212021), we get a palindrome (3304334033).

Subtracting 1202122012 from its reverse (2102212021), we obtain a palindrome (900090009).

The spelling of 1202122012 in words is "one billion, two hundred two million, one hundred twenty-two thousand, twelve".