351242012212 has 48 divisors (see below), whose sum is σ = 801022521600. Its totient is φ = 130779182592.

The previous prime is 351242012203. The next prime is 351242012213. The reversal of 351242012212 is 212210242153.

It is a super-2 number, since 2×351242012212² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351242012213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28374712 + ... + 28387087.

It is an arithmetic number, because the mean of its divisors is an integer number (16687969200).

Almost surely, 2^351242012212 is an apocalyptic number.

It is an amenable number.

351242012212 is an abundant number, since it is smaller than the sum of its proper divisors (449780509388).

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

351242012212 is a wasteful number, since it uses less digits than its factorization.

351242012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56761840 (or 56761838 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 351242012212 its reverse (212210242153), we get a palindrome (563452254365).

The spelling of 351242012212 in words is "three hundred fifty-one billion, two hundred forty-two million, twelve thousand, two hundred twelve".