101233131211212 has 384 divisors, whose sum is σ = 339883411488768. Its totient is φ = 22588917120000.

The previous prime is 101233131211187. The next prime is 101233131211231. The reversal of 101233131211212 is 212112131332101.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5270587 + ... + 15173837.

It is an arithmetic number, because the mean of its divisors is an integer number (885113050752).

Almost surely, 2^{101233131211212} is an apocalyptic number.

101233131211212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101233131211212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169941705744384).

101233131211212 is an abundant number, since it is smaller than the sum of its proper divisors (238650280277556).

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

101233131211212 is a wasteful number, since it uses less digits than its factorization.

101233131211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9903349 (or 9903347 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

Adding to 101233131211212 its reverse (212112131332101), we get a palindrome (313345262543313).

The spelling of 101233131211212 in words is "one hundred one trillion, two hundred thirty-three billion, one hundred thirty-one million, two hundred eleven thousand, two hundred twelve".