1212120213330 has 32 divisors (see below), whose sum is σ = 3132864552384. Its totient is φ = 298368052416.

The previous prime is 1212120213329. The next prime is 1212120213377. The reversal of 1212120213330 is 333120212121.

It is a junction number, because it is equal to n+sod(n) for n = 1212120213297 and 1212120213306.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1553999884 + ... + 1554000663.

It is an arithmetic number, because the mean of its divisors is an integer number (97902017262).

Almost surely, 2^{1212120213330} is an apocalyptic number.

1212120213330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212120213330 is an abundant number, since it is smaller than the sum of its proper divisors (1920744339054).

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

1212120213330 is a wasteful number, since it uses less digits than its factorization.

1212120213330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3108000570.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1212120213330 its reverse (333120212121), we get a palindrome (1545240425451).

The spelling of 1212120213330 in words is "one trillion, two hundred twelve billion, one hundred twenty million, two hundred thirteen thousand, three hundred thirty".