1212132750 has 64 divisors (see below), whose sum is σ = 3031808832. Its totient is φ = 322560000.

The previous prime is 1212132743. The next prime is 1212132809. The reversal of 1212132750 is 572312121.

It is a self number, because there is not a number n which added to its sum of digits gives 1212132750.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 431350 + ... + 434150.

It is an arithmetic number, because the mean of its divisors is an integer number (47372013).

Almost surely, 2^1212132750 is an apocalyptic number.

1212132750 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 1212132750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1515904416).

1212132750 is an abundant number, since it is smaller than the sum of its proper divisors (1819676082).

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

1212132750 is a wasteful number, since it uses less digits than its factorization.

1212132750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3398 (or 3388 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 1212132750 is about 34815.6968909140. The cubic root of 1212132750 is about 1066.2279472924.

Adding to 1212132750 its reverse (572312121), we get a palindrome (1784444871).

The spelling of 1212132750 in words is "one billion, two hundred twelve million, one hundred thirty-two thousand, seven hundred fifty".