29993212998 has 24 divisors (see below), whose sum is σ = 74268908688. Its totient is φ = 8569489392.

The previous prime is 29993212981. The next prime is 29993213009. The reversal of 29993212998 is 89921239992.

It is a super-2 number, since 2×29993212998² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119020561 + ... + 119020812.

It is an arithmetic number, because the mean of its divisors is an integer number (3094537862).

Almost surely, 2^29993212998 is an apocalyptic number.

29993212998 is an abundant number, since it is smaller than the sum of its proper divisors (44275695690).

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

29993212998 is a wasteful number, since it uses less digits than its factorization.

29993212998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238041388 (or 238041385 counting only the distinct ones).

The product of its digits is 11337408, while the sum is 63.

The spelling of 29993212998 in words is "twenty-nine billion, nine hundred ninety-three million, two hundred twelve thousand, nine hundred ninety-eight".