121211006 has 48 divisors (see below), whose sum is σ = 219596832. Its totient is φ = 49996800.

The previous prime is 121210951. The next prime is 121211017. The reversal of 121211006 is 600112121.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 389591 + ... + 389901.

It is an arithmetic number, because the mean of its divisors is an integer number (4574934).

Almost surely, 2^121211006 is an apocalyptic number.

121211006 is a deficient number, since it is larger than the sum of its proper divisors (98385826).

121211006 is a wasteful number, since it uses less digits than its factorization.

121211006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465 (or 458 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 121211006 is about 11009.5870040615. The cubic root of 121211006 is about 494.8960853868.

Adding to 121211006 its reverse (600112121), we get a palindrome (721323127).

The spelling of 121211006 in words is "one hundred twenty-one million, two hundred eleven thousand, six".