1202661612 has 18 divisors (see below), whose sum is σ = 3040061388. Its totient is φ = 400887192.

The previous prime is 1202661611. The next prime is 1202661631. The reversal of 1202661612 is 2161662021.

1202661612 is a `hidden beast` number, since 1 + 20 + 26 + 6 + 1 + 612 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (1202661611) 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 5 ways as a sum of consecutive naturals, for example, 16703598 + ... + 16703669.

Almost surely, 2^1202661612 is an apocalyptic number.

1202661612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1202661612 is an abundant number, since it is smaller than the sum of its proper divisors (1837399776).

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

1202661612 is a wasteful number, since it uses less digits than its factorization.

1202661612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33407277 (or 33407272 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1202661612 is about 34679.4119327303. The cubic root of 1202661612 is about 1063.4436514726.

The spelling of 1202661612 in words is "one billion, two hundred two million, six hundred sixty-one thousand, six hundred twelve".