1204012011 has 32 divisors (see below), whose sum is σ = 1653829632. Its totient is φ = 778953600.

The previous prime is 1204012009. The next prime is 1204012013. The reversal of 1204012011 is 1102104021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1204012009) and next prime (1204012013).

It is not a de Polignac number, because 1204012011 - 2¹ = 1204012009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1204012013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5399046 + ... + 5399268.

It is an arithmetic number, because the mean of its divisors is an integer number (51682176).

Almost surely, 2^1204012011 is an apocalyptic number.

1204012011 is a deficient number, since it is larger than the sum of its proper divisors (449817621).

1204012011 is a wasteful number, since it uses less digits than its factorization.

1204012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1204012011 is about 34698.8762209960. The cubic root of 1204012011 is about 1063.8415289996.

Adding to 1204012011 its reverse (1102104021), we get a palindrome (2306116032).

The spelling of 1204012011 in words is "one billion, two hundred four million, twelve thousand, eleven".