29112001002 has 144 divisors (see below), whose sum is σ = 76067671680. Its totient is φ = 7881115968.

The previous prime is 29112000977. The next prime is 29112001021. The reversal of 29112001002 is 20010021192.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7263283 + ... + 7267289.

It is an arithmetic number, because the mean of its divisors is an integer number (528247720).

Almost surely, 2^29112001002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29112001002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38033835840).

29112001002 is an abundant number, since it is smaller than the sum of its proper divisors (46955670678).

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

29112001002 is a wasteful number, since it uses less digits than its factorization.

29112001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4177 (or 4151 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 29112001002 its reverse (20010021192), we get a palindrome (49122022194).

The spelling of 29112001002 in words is "twenty-nine billion, one hundred twelve million, one thousand, two".