1240221221410 has 32 divisors (see below), whose sum is σ = 2235058712640. Its totient is φ = 495497476032.

The previous prime is 1240221221341. The next prime is 1240221221431. The reversal of 1240221221410 is 141221220421.

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 15 ways as a sum of consecutive naturals, for example, 64360597 + ... + 64379863.

It is an arithmetic number, because the mean of its divisors is an integer number (69845584770).

Almost surely, 2^{1240221221410} is an apocalyptic number.

1240221221410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1240221221410 is a deficient number, since it is larger than the sum of its proper divisors (994837491230).

1240221221410 is a wasteful number, since it uses less digits than its factorization.

1240221221410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26610.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 1240221221410 its reverse (141221220421), we get a palindrome (1381442441831).

The spelling of 1240221221410 in words is "one trillion, two hundred forty billion, two hundred twenty-one million, two hundred twenty-one thousand, four hundred ten".