30040170154212 has 24 divisors (see below), whose sum is σ = 71803333540512. Its totient is φ = 9769161025600.

The previous prime is 30040170154199. The next prime is 30040170154219. The reversal of 30040170154212 is 21245107104003.

It is a super-2 number, since 2×30040170154212² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30040170154212.

It is not an unprimeable number, because it can be changed into a prime (30040170154219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30528627714 + ... + 30528628697.

It is an arithmetic number, because the mean of its divisors is an integer number (2991805564188).

Almost surely, 2^{30040170154212} is an apocalyptic number.

It is an amenable number.

30040170154212 is an abundant number, since it is smaller than the sum of its proper divisors (41763163386300).

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

30040170154212 is a wasteful number, since it uses less digits than its factorization.

30040170154212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61057256459 (or 61057256457 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

Adding to 30040170154212 its reverse (21245107104003), we get a palindrome (51285277258215).

The spelling of 30040170154212 in words is "thirty trillion, forty billion, one hundred seventy million, one hundred fifty-four thousand, two hundred twelve".