1400010012 has 36 divisors (see below), whose sum is σ = 3541530720. Its totient is φ = 466324992.

The previous prime is 1400010011. The next prime is 1400010013. The reversal of 1400010012 is 2100100041.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1400010011) and next prime (1400010013).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1400009976 and 1400010003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400010011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37564 + ... + 64892.

Almost surely, 2^1400010012 is an apocalyptic number.

1400010012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1400010012 is an abundant number, since it is smaller than the sum of its proper divisors (2141520708).

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

1400010012 is a wasteful number, since it uses less digits than its factorization.

1400010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28762 (or 28757 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1400010012 is about 37416.7076584779. The cubic root of 1400010012 is about 1118.6916088164.

Adding to 1400010012 its reverse (2100100041), we get a palindrome (3500110053).

The spelling of 1400010012 in words is "one billion, four hundred million, ten thousand, twelve".