10012011021240 has 64 divisors (see below), whose sum is σ = 30144466496160. Its totient is φ = 2660231078400.

The previous prime is 10012011021203. The next prime is 10012011021241. The reversal of 10012011021240 is 4212011021001.

It is a super-2 number, since 2×10012011021240² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10012011021241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150568611 + ... + 150635090.

Almost surely, 2^{10012011021240} is an apocalyptic number.

10012011021240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10012011021240 is an abundant number, since it is smaller than the sum of its proper divisors (20132455474920).

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

10012011021240 is a wasteful number, since it uses less digits than its factorization.

10012011021240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301203992 (or 301203988 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10012011021240 its reverse (4212011021001), we get a palindrome (14224022042241).

The spelling of 10012011021240 in words is "ten trillion, twelve billion, eleven million, twenty-one thousand, two hundred forty".