1011212434 has 8 divisors (see below), whose sum is σ = 1582767360. Its totient is φ = 483623316.

The previous prime is 1011212431. The next prime is 1011212443. The reversal of 1011212434 is 4342121101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1011212431) 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 3 ways as a sum of consecutive naturals, for example, 10991394 + ... + 10991485.

It is an arithmetic number, because the mean of its divisors is an integer number (197845920).

Almost surely, 2^1011212434 is an apocalyptic number.

1011212434 is a deficient number, since it is larger than the sum of its proper divisors (571554926).

1011212434 is a wasteful number, since it uses less digits than its factorization.

1011212434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21982904.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1011212434 is about 31799.5665693732. The cubic root of 1011212434 is about 1003.7235956262.

Adding to 1011212434 its reverse (4342121101), we get a palindrome (5353333535).

The spelling of 1011212434 in words is "one billion, eleven million, two hundred twelve thousand, four hundred thirty-four".