1401003222012 has 72 divisors (see below), whose sum is σ = 3774910230000. Its totient is φ = 436580525568.

The previous prime is 1401003222001. The next prime is 1401003222019. The reversal of 1401003222012 is 2102223001041.

It is a happy number.

1401003222012 is a `hidden beast` number, since 1 + 40 + 100 + 322 + 201 + 2 = 666.

It is a super-3 number, since 3×1401003222012³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401003222019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7590762 + ... + 7773137.

It is an arithmetic number, because the mean of its divisors is an integer number (52429308750).

Almost surely, 2^{1401003222012} is an apocalyptic number.

1401003222012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1401003222012 is an abundant number, since it is smaller than the sum of its proper divisors (2373907007988).

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

1401003222012 is a wasteful number, since it uses less digits than its factorization.

1401003222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15364075 (or 15364070 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 1401003222012 its reverse (2102223001041), we get a palindrome (3503226223053).

The spelling of 1401003222012 in words is "one trillion, four hundred one billion, three million, two hundred twenty-two thousand, twelve".