1212323233310 has 32 divisors (see below), whose sum is σ = 2540977221312. Its totient is φ = 407811156480.

The previous prime is 1212323233301. The next prime is 1212323233313. The reversal of 1212323233310 is 133323232121.

It is a super-2 number, since 2×1212323233310² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1212323233310.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212323233313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163382171 + ... + 163389590.

It is an arithmetic number, because the mean of its divisors is an integer number (79405538166).

Almost surely, 2^{1212323233310} is an apocalyptic number.

1212323233310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212323233310 is an abundant number, since it is smaller than the sum of its proper divisors (1328653988002).

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

1212323233310 is a wasteful number, since it uses less digits than its factorization.

1212323233310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326771828.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 1212323233310 its reverse (133323232121), we get a palindrome (1345646465431).

The spelling of 1212323233310 in words is "one trillion, two hundred twelve billion, three hundred twenty-three million, two hundred thirty-three thousand, three hundred ten".