1211004002 has 16 divisors (see below), whose sum is σ = 1956975552. Its totient is φ = 558714000.

The previous prime is 1211003999. The next prime is 1211004031. The reversal of 1211004002 is 2004001121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77363 + ... + 91689.

It is an arithmetic number, because the mean of its divisors is an integer number (122310972).

Almost surely, 2^1211004002 is an apocalyptic number.

1211004002 is a deficient number, since it is larger than the sum of its proper divisors (745971550).

1211004002 is a wasteful number, since it uses less digits than its factorization.

1211004002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17593.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1211004002 is about 34799.4827835127. The cubic root of 1211004002 is about 1065.8968844263.

Adding to 1211004002 its reverse (2004001121), we get a palindrome (3215005123).

The spelling of 1211004002 in words is "one billion, two hundred eleven million, four thousand, two".