1212988410 has 48 divisors (see below), whose sum is σ = 3176822376. Its totient is φ = 321099264.

The previous prime is 1212988409. The next prime is 1212988417. The reversal of 1212988410 is 148892121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 911375721 + 301612689 = 30189^2 + 17367^2 .

It is not an unprimeable number, because it can be changed into a prime (1212988417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36859 + ... + 61518.

Almost surely, 2^1212988410 is an apocalyptic number.

1212988410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212988410 is an abundant number, since it is smaller than the sum of its proper divisors (1963833966).

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

1212988410 is a wasteful number, since it uses less digits than its factorization.

1212988410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98527 (or 98524 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 1212988410 is about 34827.9831457407. The cubic root of 1212988410 is about 1066.4787762589.

The spelling of 1212988410 in words is "one billion, two hundred twelve million, nine hundred eighty-eight thousand, four hundred ten".