29497207212 has 216 divisors, whose sum is σ = 89998101648. Its totient is φ = 8412180480.

The previous prime is 29497207183. The next prime is 29497207219. The reversal of 29497207212 is 21270279492.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (29497207219) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1992028 + ... + 2006780.

It is an arithmetic number, because the mean of its divisors is an integer number (416657878).

Almost surely, 2^29497207212 is an apocalyptic number.

29497207212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29497207212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44999050824).

29497207212 is an abundant number, since it is smaller than the sum of its proper divisors (60500894436).

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

29497207212 is a wasteful number, since it uses less digits than its factorization.

29497207212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14811 (or 14786 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The spelling of 29497207212 in words is "twenty-nine billion, four hundred ninety-seven million, two hundred seven thousand, two hundred twelve".