1202023200 has 144 divisors (see below), whose sum is σ = 4471588800. Its totient is φ = 274744320.

The previous prime is 1202023189. The next prime is 1202023253. The reversal of 1202023200 is 23202021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18975 + ... + 52574.

It is an arithmetic number, because the mean of its divisors is an integer number (31052700).

Almost surely, 2^1202023200 is an apocalyptic number.

1202023200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202023200 is an abundant number, since it is smaller than the sum of its proper divisors (3269565600).

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

1202023200 is a wasteful number, since it uses less digits than its factorization.

1202023200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71579 (or 71566 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1202023200 is about 34670.2062295568. The cubic root of 1202023200 is about 1063.2554479782.

Adding to 1202023200 its reverse (23202021), we get a palindrome (1225225221).

The spelling of 1202023200 in words is "one billion, two hundred two million, twenty-three thousand, two hundred".