1213101030 has 128 divisors (see below), whose sum is σ = 3135283200. Its totient is φ = 299801600.

The previous prime is 1213101013. The next prime is 1213101041. The reversal of 1213101030 is 301013121.

1213101030 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1213101030² = 2943228217974121800, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1213100997 and 1213101015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2532331 + ... + 2532809.

It is an arithmetic number, because the mean of its divisors is an integer number (24494400).

Almost surely, 2^1213101030 is an apocalyptic number.

1213101030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1213101030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1567641600).

1213101030 is an abundant number, since it is smaller than the sum of its proper divisors (1922182170).

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

1213101030 is a wasteful number, since it uses less digits than its factorization.

1213101030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1213101030 is about 34829.5999115695. The cubic root of 1213101030 is about 1066.5117810048.

Adding to 1213101030 its reverse (301013121), we get a palindrome (1514114151).

The spelling of 1213101030 in words is "one billion, two hundred thirteen million, one hundred one thousand, thirty".