1210222131030 has 128 divisors (see below), whose sum is σ = 3522484247040. Its totient is φ = 293234014080.

The previous prime is 1210222130977. The next prime is 1210222131047. The reversal of 1210222131030 is 301312220121.

1210222131030 is a `hidden beast` number, since 1 + 2 + 102 + 221 + 310 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1210222130994 and 1210222131012.

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, 5635609 + ... + 5846411.

It is an arithmetic number, because the mean of its divisors is an integer number (27519408180).

Almost surely, 2^{1210222131030} is an apocalyptic number.

1210222131030 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 1210222131030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1761242123520).

1210222131030 is an abundant number, since it is smaller than the sum of its proper divisors (2312262116010).

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

1210222131030 is a wasteful number, since it uses less digits than its factorization.

1210222131030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212763 (or 212757 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1210222131030 its reverse (301312220121), we get a palindrome (1511534351151).

The spelling of 1210222131030 in words is "one trillion, two hundred ten billion, two hundred twenty-two million, one hundred thirty-one thousand, thirty".