1202023112 has 32 divisors (see below), whose sum is σ = 2275175520. Its totient is φ = 595338240.

The previous prime is 1202023111. The next prime is 1202023129. The reversal of 1202023112 is 2113202021.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1202023111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381608 + ... + 384744.

It is an arithmetic number, because the mean of its divisors is an integer number (71099235).

Almost surely, 2^1202023112 is an apocalyptic number.

It is an amenable number.

1202023112 is a deficient number, since it is larger than the sum of its proper divisors (1073152408).

1202023112 is a wasteful number, since it uses less digits than its factorization.

1202023112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3581 (or 3577 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1202023112 is about 34670.2049604556. The cubic root of 1202023112 is about 1063.2554220312.

Adding to 1202023112 its reverse (2113202021), we get a palindrome (3315225133).

The spelling of 1202023112 in words is "one billion, two hundred two million, twenty-three thousand, one hundred twelve".