1143212102 has 64 divisors (see below), whose sum is σ = 1964874240. Its totient is φ = 496108800.

The previous prime is 1143212099. The next prime is 1143212131. The reversal of 1143212102 is 2012123411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2185613 + ... + 2186135.

It is an arithmetic number, because the mean of its divisors is an integer number (30701160).

Almost surely, 2^1143212102 is an apocalyptic number.

1143212102 is a deficient number, since it is larger than the sum of its proper divisors (821662138).

1143212102 is a wasteful number, since it uses less digits than its factorization.

1143212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1143212102 is about 33811.4196980843. The cubic root of 1143212102 is about 1045.6241479466.

Adding to 1143212102 its reverse (2012123411), we get a palindrome (3155335513).

The spelling of 1143212102 in words is "one billion, one hundred forty-three million, two hundred twelve thousand, one hundred two".