30136206126 has 64 divisors (see below), whose sum is σ = 66104894016. Its totient is φ = 9102412800.

The previous prime is 30136206103. The next prime is 30136206127. The reversal of 30136206126 is 62160263103.

It is a junction number, because it is equal to n+sod(n) for n = 30136206093 and 30136206102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30136206127) 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, 2472840 + ... + 2484996.

It is an arithmetic number, because the mean of its divisors is an integer number (1032888969).

Almost surely, 2^30136206126 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30136206126, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33052447008).

30136206126 is an abundant number, since it is smaller than the sum of its proper divisors (35968687890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30136206126 is a wasteful number, since it uses less digits than its factorization.

30136206126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12757.

The product of its (nonzero) digits is 7776, while the sum is 30.

Adding to 30136206126 its reverse (62160263103), we get a palindrome (92296469229).

The spelling of 30136206126 in words is "thirty billion, one hundred thirty-six million, two hundred six thousand, one hundred twenty-six".