1612251040001 has 12 divisors (see below), whose sum is σ = 1875750241860. Its totient is φ = 1381727168640.

The previous prime is 1612251039991. The next prime is 1612251040009. The reversal of 1612251040001 is 1000401522161.

It can be written as a sum of positive squares in 2 ways, for example, as 1191470487025 + 420780552976 = 1091545^2 + 648676^2 .

It is not a de Polignac number, because 1612251040001 - 2¹⁸ = 1612250777857 is a prime.

It is a super-2 number, since 2×1612251040001² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1612251040009) 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, 2069636 + ... + 2740053.

It is an arithmetic number, because the mean of its divisors is an integer number (156312520155).

Almost surely, 2^{1612251040001} is an apocalyptic number.

It is an amenable number.

1612251040001 is a deficient number, since it is larger than the sum of its proper divisors (263499201859).

1612251040001 is an equidigital number, since it uses as much as digits as its factorization.

1612251040001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4816544 (or 4816537 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 1612251040001 its reverse (1000401522161), we get a palindrome (2612652562162).

The spelling of 1612251040001 in words is "one trillion, six hundred twelve billion, two hundred fifty-one million, forty thousand, one".