211142303412 has 24 divisors (see below), whose sum is σ = 492674296800. Its totient is φ = 70379493216.

The previous prime is 211142303387. The next prime is 211142303467. The reversal of 211142303412 is 214303241112.

It is a congruent number.

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, 729039 + ... + 976617.

It is an arithmetic number, because the mean of its divisors is an integer number (20528095700).

Almost surely, 2^211142303412 is an apocalyptic number.

It is an amenable number.

211142303412 is an abundant number, since it is smaller than the sum of its proper divisors (281531993388).

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

211142303412 is a wasteful number, since it uses less digits than its factorization.

211142303412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318655 (or 318653 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 211142303412 its reverse (214303241112), we get a palindrome (425445544524).

The spelling of 211142303412 in words is "two hundred eleven billion, one hundred forty-two million, three hundred three thousand, four hundred twelve".