40000212203021 has 24 divisors (see below), whose sum is σ = 46889567067840. Its totient is φ = 33426200229120.

The previous prime is 40000212202967. The next prime is 40000212203027. The reversal of 40000212203021 is 12030221200004.

It is not a de Polignac number, because 40000212203021 - 2⁶ = 40000212202957 is a prime.

It is a super-3 number, since 3×40000212203021³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40000212203027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15600425 + ... + 17982593.

It is an arithmetic number, because the mean of its divisors is an integer number (1953731961160).

Almost surely, 2^{40000212203021} is an apocalyptic number.

40000212203021 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

40000212203021 is a deficient number, since it is larger than the sum of its proper divisors (6889354864819).

40000212203021 is a wasteful number, since it uses less digits than its factorization.

40000212203021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2383685 (or 2383644 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 40000212203021 its reverse (12030221200004), we get a palindrome (52030433403025).

The spelling of 40000212203021 in words is "forty trillion, two hundred twelve million, two hundred three thousand, twenty-one".