1201022012 has 12 divisors (see below), whose sum is σ = 2102429280. Its totient is φ = 600327936.

The previous prime is 1201021963. The next prime is 1201022041. The reversal of 1201022012 is 2102201021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1201021984 and 1201022002.

It is a congruent number.

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, 30437 + ... + 57692.

It is an arithmetic number, because the mean of its divisors is an integer number (175202440).

Almost surely, 2^1201022012 is an apocalyptic number.

It is an amenable number.

1201022012 is a deficient number, since it is larger than the sum of its proper divisors (901407268).

1201022012 is a wasteful number, since it uses less digits than its factorization.

1201022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91540 (or 91538 counting only the distinct ones).

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

The square root of 1201022012 is about 34655.7644844260. The cubic root of 1201022012 is about 1062.9601640810.

Adding to 1201022012 its reverse (2102201021), we get a palindrome (3303223033).

The spelling of 1201022012 in words is "one billion, two hundred one million, twenty-two thousand, twelve".