1213001423010 has 160 divisors (see below), whose sum is σ = 3529173840192. Its totient is φ = 297169326720.

The previous prime is 1213001422949. The next prime is 1213001423041. The reversal of 1213001423010 is 103241003121.

1213001423010 is a `hidden beast` number, since 1 + 21 + 300 + 1 + 42 + 301 + 0 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1948857 + ... + 2494803.

Almost surely, 2^{1213001423010} is an apocalyptic number.

1213001423010 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 1213001423010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1764586920096).

1213001423010 is an abundant number, since it is smaller than the sum of its proper divisors (2316172417182).

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

1213001423010 is a wasteful number, since it uses less digits than its factorization.

1213001423010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546190 (or 546181 counting only the distinct ones).

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

Adding to 1213001423010 its reverse (103241003121), we get a palindrome (1316242426131).

The spelling of 1213001423010 in words is "one trillion, two hundred thirteen billion, one million, four hundred twenty-three thousand, ten".