1212020011330 has 32 divisors (see below), whose sum is σ = 2183727237120. Its totient is φ = 484343478720.

The previous prime is 1212020011283. The next prime is 1212020011343. The reversal of 1212020011330 is 331100202121.

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, 69941127 + ... + 69958453.

It is an arithmetic number, because the mean of its divisors is an integer number (68241476160).

Almost surely, 2^{1212020011330} is an apocalyptic number.

1212020011330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212020011330 is a deficient number, since it is larger than the sum of its proper divisors (971707225790).

1212020011330 is a wasteful number, since it uses less digits than its factorization.

1212020011330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23634.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1212020011330 its reverse (331100202121), we get a palindrome (1543120213451).

The spelling of 1212020011330 in words is "one trillion, two hundred twelve billion, twenty million, eleven thousand, three hundred thirty".