40122017537121 has 40 divisors (see below), whose sum is σ = 65454867301824. Its totient is φ = 24342719153760.

The previous prime is 40122017537113. The next prime is 40122017537249. The reversal of 40122017537121 is 12173571022104.

40122017537121 is a `hidden beast` number, since 4 + 0 + 12 + 201 + 75 + 371 + 2 + 1 = 666.

It is not a de Polignac number, because 40122017537121 - 2³ = 40122017537113 is a prime.

It is a super-2 number, since 2×40122017537121² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40122017537111) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 268253271 + ... + 268402796.

Almost surely, 2^{40122017537121} is an apocalyptic number.

It is an amenable number.

40122017537121 is a deficient number, since it is larger than the sum of its proper divisors (25332849764703).

40122017537121 is a wasteful number, since it uses less digits than its factorization.

40122017537121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536656163 (or 536656154 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

Adding to 40122017537121 its reverse (12173571022104), we get a palindrome (52295588559225).

The spelling of 40122017537121 in words is "forty trillion, one hundred twenty-two billion, seventeen million, five hundred thirty-seven thousand, one hundred twenty-one".