1210430402320 has 80 divisors (see below), whose sum is σ = 3031261611840. Its totient is φ = 448022195712.

The previous prime is 1210430402303. The next prime is 1210430402327. The reversal of 1210430402320 is 232040340121.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×1210430402320² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1210430402291 and 1210430402300.

It is not an unprimeable number, because it can be changed into a prime (1210430402327) 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, 9194359 + ... + 9325078.

It is an arithmetic number, because the mean of its divisors is an integer number (37890770148).

Almost surely, 2^{1210430402320} is an apocalyptic number.

1210430402320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210430402320 is an abundant number, since it is smaller than the sum of its proper divisors (1820831209520).

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

1210430402320 is a wasteful number, since it uses less digits than its factorization.

1210430402320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18519512 (or 18519506 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 1210430402320 its reverse (232040340121), we get a palindrome (1442470742441).

The spelling of 1210430402320 in words is "one trillion, two hundred ten billion, four hundred thirty million, four hundred two thousand, three hundred twenty".