1211143002 has 16 divisors (see below), whose sum is σ = 2564773632. Its totient is φ = 379966400.

The previous prime is 1211142997. The next prime is 1211143027. The reversal of 1211143002 is 2003411121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5936874 + ... + 5937077.

It is an arithmetic number, because the mean of its divisors is an integer number (160298352).

Almost surely, 2^1211143002 is an apocalyptic number.

1211143002 is an abundant number, since it is smaller than the sum of its proper divisors (1353630630).

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

1211143002 is a wasteful number, since it uses less digits than its factorization.

1211143002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11873973.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1211143002 is about 34801.4798823268. The cubic root of 1211143002 is about 1065.9376643627.

Adding to 1211143002 its reverse (2003411121), we get a palindrome (3214554123).

The spelling of 1211143002 in words is "one billion, two hundred eleven million, one hundred forty-three thousand, two".