1011212310 has 64 divisors (see below), whose sum is σ = 2518776000. Its totient is φ = 259510272.

The previous prime is 1011212299. The next prime is 1011212327. The reversal of 1011212310 is 132121101.

It is a super-2 number, since 2×1011212310² = 2045100671791072200, which contains 22 as substring.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 291466 + ... + 294914.

It is an arithmetic number, because the mean of its divisors is an integer number (39355875).

Almost surely, 2^1011212310 is an apocalyptic number.

1011212310 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 1011212310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1259388000).

1011212310 is an abundant number, since it is smaller than the sum of its proper divisors (1507563690).

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

1011212310 is a wasteful number, since it uses less digits than its factorization.

1011212310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3825.

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

The square root of 1011212310 is about 31799.5646196611. The cubic root of 1011212310 is about 1003.7235545990.

Adding to 1011212310 its reverse (132121101), we get a palindrome (1143333411).

It can be divided in two parts, 10112 and 12310, that added together give a palindrome (22422).

The spelling of 1011212310 in words is "one billion, eleven million, two hundred twelve thousand, three hundred ten".