40212343154213 has 32 divisors (see below), whose sum is σ = 42857765677440. Its totient is φ = 37681092000000.

The previous prime is 40212343154209. The next prime is 40212343154231. The reversal of 40212343154213 is 31245134321204.

It is a cyclic number.

It is not a de Polignac number, because 40212343154213 - 2² = 40212343154209 is a prime.

It is a super-2 number, since 2×40212343154213² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40212343154413) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32822363 + ... + 34025463.

It is an arithmetic number, because the mean of its divisors is an integer number (1339305177420).

Almost surely, 2^{40212343154213} is an apocalyptic number.

It is an amenable number.

40212343154213 is a deficient number, since it is larger than the sum of its proper divisors (2645422523227).

40212343154213 is a wasteful number, since it uses less digits than its factorization.

40212343154213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203509.

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 40212343154213 its reverse (31245134321204), we get a palindrome (71457477475417).

The spelling of 40212343154213 in words is "forty trillion, two hundred twelve billion, three hundred forty-three million, one hundred fifty-four thousand, two hundred thirteen".