1210013265340 has 96 divisors (see below), whose sum is σ = 2848675205376. Its totient is φ = 427926858240.

The previous prime is 1210013265323. The next prime is 1210013265341. The reversal of 1210013265340 is 435623100121.

It is a junction number, because it is equal to n+sod(n) for n = 1210013265299 and 1210013265308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210013265341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1929699 + ... + 2478661.

It is an arithmetic number, because the mean of its divisors is an integer number (29673700056).

Almost surely, 2^{1210013265340} is an apocalyptic number.

1210013265340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1210013265340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1424337602688).

1210013265340 is an abundant number, since it is smaller than the sum of its proper divisors (1638661940036).

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

1210013265340 is a wasteful number, since it uses less digits than its factorization.

1210013265340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549259 (or 549257 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 1210013265340 its reverse (435623100121), we get a palindrome (1645636365461).

The spelling of 1210013265340 in words is "one trillion, two hundred ten billion, thirteen million, two hundred sixty-five thousand, three hundred forty".