1212314211020 has 24 divisors (see below), whose sum is σ = 2777301647568. Its totient is φ = 440841531200.

The previous prime is 1212314210981. The next prime is 1212314211047. The reversal of 1212314211020 is 201124132121.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1212314210983 and 1212314211001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2755259351 + ... + 2755259790.

It is an arithmetic number, because the mean of its divisors is an integer number (115720901982).

Almost surely, 2^{1212314211020} is an apocalyptic number.

1212314211020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1212314211020 is an abundant number, since it is smaller than the sum of its proper divisors (1564987436548).

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

1212314211020 is a wasteful number, since it uses less digits than its factorization.

1212314211020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5510519161 (or 5510519159 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1212314211020 its reverse (201124132121), we get a palindrome (1413438343141).

The spelling of 1212314211020 in words is "one trillion, two hundred twelve billion, three hundred fourteen million, two hundred eleven thousand, twenty".