511212132102 has 64 divisors (see below), whose sum is σ = 1180742008320. Its totient is φ = 144529007616.

The previous prime is 511212132083. The next prime is 511212132161. The reversal of 511212132102 is 201231212115.

It is a super-2 number, since 2×511212132102² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44144149 + ... + 44155727.

It is an arithmetic number, because the mean of its divisors is an integer number (18449093880).

Almost surely, 2^511212132102 is an apocalyptic number.

511212132102 is an abundant number, since it is smaller than the sum of its proper divisors (669529876218).

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

511212132102 is a wasteful number, since it uses less digits than its factorization.

511212132102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22525.

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 511212132102 its reverse (201231212115), we get a palindrome (712443344217).

The spelling of 511212132102 in words is "five hundred eleven billion, two hundred twelve million, one hundred thirty-two thousand, one hundred two".