1230213331220 has 24 divisors (see below), whose sum is σ = 2695771822464. Its totient is φ = 470690317856.

The previous prime is 1230213331219. The next prime is 1230213331223. The reversal of 1230213331220 is 221333120321.

It is a super-2 number, since 2×1230213331220² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230213331223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1337187944 + ... + 1337188863.

It is an arithmetic number, because the mean of its divisors is an integer number (112323825936).

Almost surely, 2^{1230213331220} is an apocalyptic number.

1230213331220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230213331220 is an abundant number, since it is smaller than the sum of its proper divisors (1465558491244).

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

1230213331220 is a wasteful number, since it uses less digits than its factorization.

1230213331220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2674376839 (or 2674376837 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1230213331220 its reverse (221333120321), we get a palindrome (1451546451541).

The spelling of 1230213331220 in words is "one trillion, two hundred thirty billion, two hundred thirteen million, three hundred thirty-one thousand, two hundred twenty".