3213121310130 has 128 divisors (see below), whose sum is σ = 8389199808000. Its totient is φ = 784315699200.

The previous prime is 3213121310051. The next prime is 3213121310137. The reversal of 3213121310130 is 310131213123.

It is a happy number.

It is a super-2 number, since 2×3213121310130² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3213121310097 and 3213121310106.

It is not an unprimeable number, because it can be changed into a prime (3213121310137) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 48103996 + ... + 48170744.

It is an arithmetic number, because the mean of its divisors is an integer number (65540623500).

Almost surely, 2^{3213121310130} is an apocalyptic number.

3213121310130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3213121310130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4194599904000).

3213121310130 is an abundant number, since it is smaller than the sum of its proper divisors (5176078497870).

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

3213121310130 is a wasteful number, since it uses less digits than its factorization.

3213121310130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69364.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 3213121310130 its reverse (310131213123), we get a palindrome (3523252523253).

The spelling of 3213121310130 in words is "three trillion, two hundred thirteen billion, one hundred twenty-one million, three hundred ten thousand, one hundred thirty".