30212400401 has 4 divisors (see below), whose sum is σ = 30221271552. Its totient is φ = 30203529252.

The previous prime is 30212400373. The next prime is 30212400473. The reversal of 30212400401 is 10400421203.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10400421203 = 1721 ⋅6043243.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30212400401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30212400401.

It is not an unprimeable number, because it can be changed into a prime (30212400301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4430465 + ... + 4437278.

It is an arithmetic number, because the mean of its divisors is an integer number (7555317888).

Almost surely, 2^30212400401 is an apocalyptic number.

It is an amenable number.

30212400401 is a deficient number, since it is larger than the sum of its proper divisors (8871151).

30212400401 is an equidigital number, since it uses as much as digits as its factorization.

30212400401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8871150.

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

Adding to 30212400401 its reverse (10400421203), we get a palindrome (40612821604).

The spelling of 30212400401 in words is "thirty billion, two hundred twelve million, four hundred thousand, four hundred one".