1213233531010 has 8 divisors (see below), whose sum is σ = 2183820355836. Its totient is φ = 485293412400.

The previous prime is 1213233530963. The next prime is 1213233531043. The reversal of 1213233531010 is 101353323121.

It can be written as a sum of positive squares in 2 ways, for example, as 1174273482321 + 38960048689 = 1083639^2 + 197383^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 60661676541 + ... + 60661676560.

Almost surely, 2^{1213233531010} is an apocalyptic number.

1213233531010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213233531010 is a deficient number, since it is larger than the sum of its proper divisors (970586824826).

1213233531010 is a wasteful number, since it uses less digits than its factorization.

1213233531010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121323353108.

The product of its (nonzero) digits is 1620, while the sum is 25.

Adding to 1213233531010 its reverse (101353323121), we get a palindrome (1314586854131).

The spelling of 1213233531010 in words is "one trillion, two hundred thirteen billion, two hundred thirty-three million, five hundred thirty-one thousand, ten".