1212000314420 has 48 divisors (see below), whose sum is σ = 2923566307200. Its totient is φ = 413433600384.

The previous prime is 1212000314419. The next prime is 1212000314513. The reversal of 1212000314420 is 244130002121.

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 = 1212000314392 and 1212000314401.

It is a congruent number.

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, 21944870 + ... + 22000029.

It is an arithmetic number, because the mean of its divisors is an integer number (60907631400).

Almost surely, 2^{1212000314420} is an apocalyptic number.

1212000314420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1212000314420 is an abundant number, since it is smaller than the sum of its proper divisors (1711565992780).

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

1212000314420 is a wasteful number, since it uses less digits than its factorization.

1212000314420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43945112 (or 43945110 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1212000314420 its reverse (244130002121), we get a palindrome (1456130316541).

The spelling of 1212000314420 in words is "one trillion, two hundred twelve billion, three hundred fourteen thousand, four hundred twenty".