1210881210 has 256 divisors, whose sum is σ = 3901685760. Its totient is φ = 232899840.

The previous prime is 1210881187. The next prime is 1210881211. The reversal of 1210881210 is 121880121.

It is not an unprimeable number, because it can be changed into a prime (1210881211) by changing a digit.

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 127 ways as a sum of consecutive naturals, for example, 2062537 + ... + 2063123.

It is an arithmetic number, because the mean of its divisors is an integer number (15240960).

Almost surely, 2^1210881210 is an apocalyptic number.

1210881210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1210881210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1950842880).

1210881210 is an abundant number, since it is smaller than the sum of its proper divisors (2690804550).

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

1210881210 is a wasteful number, since it uses less digits than its factorization.

1210881210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681.

The product of its (nonzero) digits is 256, while the sum is 24.

The square root of 1210881210 is about 34797.7184596922. The cubic root of 1210881210 is about 1065.8608570105.

The spelling of 1210881210 in words is "one billion, two hundred ten million, eight hundred eighty-one thousand, two hundred ten".