101001031212 has 48 divisors (see below), whose sum is σ = 248513650560. Its totient is φ = 31838370048.

The previous prime is 101001031199. The next prime is 101001031289. The reversal of 101001031212 is 212130100101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265053 + ... + 521780.

It is an arithmetic number, because the mean of its divisors is an integer number (5177367720).

Almost surely, 2^101001031212 is an apocalyptic number.

101001031212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101001031212 is an abundant number, since it is smaller than the sum of its proper divisors (147512619348).

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

101001031212 is a wasteful number, since it uses less digits than its factorization.

101001031212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787422 (or 787420 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 101001031212 its reverse (212130100101), we get a palindrome (313131131313).

The spelling of 101001031212 in words is "one hundred one billion, one million, thirty-one thousand, two hundred twelve".