10120001340 has 48 divisors (see below), whose sum is σ = 28410052608. Its totient is φ = 2691614784.

The previous prime is 10120001323. The next prime is 10120001371. The reversal of 10120001340 is 4310002101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197212 + ... + 243171.

It is an arithmetic number, because the mean of its divisors is an integer number (591876096).

Almost surely, 2^10120001340 is an apocalyptic number.

10120001340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10120001340 is an abundant number, since it is smaller than the sum of its proper divisors (18290051268).

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

10120001340 is a wasteful number, since it uses less digits than its factorization.

10120001340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440778 (or 440776 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 10120001340 its reverse (4310002101), we get a palindrome (14430003441).

The spelling of 10120001340 in words is "ten billion, one hundred twenty million, one thousand, three hundred forty".