1211030004 has 48 divisors (see below), whose sum is σ = 2923554816. Its totient is φ = 389762400.

The previous prime is 1211029993. The next prime is 1211030033. The reversal of 1211030004 is 4000301121.

It is a happy number.

1211030004 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170239 + ... + 177209.

It is an arithmetic number, because the mean of its divisors is an integer number (60907392).

Almost surely, 2^1211030004 is an apocalyptic number.

It is an amenable number.

1211030004 is an abundant number, since it is smaller than the sum of its proper divisors (1712524812).

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

1211030004 is a wasteful number, since it uses less digits than its factorization.

1211030004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7476 (or 7474 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1211030004 is about 34799.8563790140. The cubic root of 1211030004 is about 1065.9045131521.

Adding to 1211030004 its reverse (4000301121), we get a palindrome (5211331125).

The spelling of 1211030004 in words is "one billion, two hundred eleven million, thirty thousand, four".