1212112133330 has 32 divisors (see below), whose sum is σ = 2493706504320. Its totient is φ = 415544855040.

The previous prime is 1212112133273. The next prime is 1212112133339. The reversal of 1212112133330 is 333312112121.

It is a junction number, because it is equal to n+sod(n) for n = 1212112133296 and 1212112133305.

It is not an unprimeable number, because it can be changed into a prime (1212112133339) 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, 50645 + ... + 1557815.

It is an arithmetic number, because the mean of its divisors is an integer number (77928328260).

Almost surely, 2^{1212112133330} is an apocalyptic number.

1212112133330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212112133330 is an abundant number, since it is smaller than the sum of its proper divisors (1281594370990).

1212112133330 is a wasteful number, since it uses less digits than its factorization.

1212112133330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518674.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1212112133330 its reverse (333312112121), we get a palindrome (1545424245451).

The spelling of 1212112133330 in words is "one trillion, two hundred twelve billion, one hundred twelve million, one hundred thirty-three thousand, three hundred thirty".