1200202102 has 16 divisors (see below), whose sum is σ = 2011870224. Its totient is φ = 532240000.

The previous prime is 1200202097. The next prime is 1200202109. The reversal of 1200202102 is 2012020021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200202109) 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, 664399 + ... + 666202.

It is an arithmetic number, because the mean of its divisors is an integer number (125741889).

Almost surely, 2^1200202102 is an apocalyptic number.

1200202102 is a deficient number, since it is larger than the sum of its proper divisors (811668122).

1200202102 is a wasteful number, since it uses less digits than its factorization.

1200202102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330655.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1200202102 is about 34643.9331196676. The cubic root of 1200202102 is about 1062.7182228955.

Adding to 1200202102 its reverse (2012020021), we get a palindrome (3212222123).

It can be divided in two parts, 1200 and 202102, that added together give a palindrome (203302).

The spelling of 1200202102 in words is "one billion, two hundred million, two hundred two thousand, one hundred two".