29143578212 has 24 divisors (see below), whose sum is σ = 59862487104. Its totient is φ = 12152534112.

The previous prime is 29143578199. The next prime is 29143578263. The reversal of 29143578212 is 21287534192.

It is a super-2 number, since 2×29143578212² (a number of 22 digits) contains 22 as substring.

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, 14064398 + ... + 14066469.

It is an arithmetic number, because the mean of its divisors is an integer number (2494270296).

Almost surely, 2^29143578212 is an apocalyptic number.

It is an amenable number.

29143578212 is an abundant number, since it is smaller than the sum of its proper divisors (30718908892).

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

29143578212 is a wasteful number, since it uses less digits than its factorization.

29143578212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28130915 (or 28130913 counting only the distinct ones).

The product of its digits is 241920, while the sum is 44.

The spelling of 29143578212 in words is "twenty-nine billion, one hundred forty-three million, five hundred seventy-eight thousand, two hundred twelve".