29028990012 has 24 divisors (see below), whose sum is σ = 73891974912. Its totient is φ = 8796663600.

The previous prime is 29028990007. The next prime is 29028990037. The reversal of 29028990012 is 21009982092.

It is a happy number.

It is a super-2 number, since 2×29028990012² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109958164 + ... + 109958427.

It is an arithmetic number, because the mean of its divisors is an integer number (3078832288).

Almost surely, 2^29028990012 is an apocalyptic number.

29028990012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

29028990012 is an abundant number, since it is smaller than the sum of its proper divisors (44862984900).

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

29028990012 is a wasteful number, since it uses less digits than its factorization.

29028990012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219916609 (or 219916607 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 42.

The spelling of 29028990012 in words is "twenty-nine billion, twenty-eight million, nine hundred ninety thousand, twelve".