20121034510 has 8 divisors (see below), whose sum is σ = 36217862136. Its totient is φ = 8048413800.

The previous prime is 20121034487. The next prime is 20121034513. The reversal of 20121034510 is 1543012102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20121034510² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20121034513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1006051716 + ... + 1006051735.

It is an arithmetic number, because the mean of its divisors is an integer number (4527232767).

Almost surely, 2^20121034510 is an apocalyptic number.

20121034510 is a deficient number, since it is larger than the sum of its proper divisors (16096827626).

20121034510 is a wasteful number, since it uses less digits than its factorization.

20121034510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2012103458.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 20121034510 its reverse (1543012102), we get a palindrome (21664046612).

The spelling of 20121034510 in words is "twenty billion, one hundred twenty-one million, thirty-four thousand, five hundred ten".