101213010 has 96 divisors (see below), whose sum is σ = 277885440. Its totient is φ = 26213760.

The previous prime is 101213003. The next prime is 101213017. The reversal of 101213010 is 10312101.

It is an interprime number because it is at equal distance from previous prime (101213003) and next prime (101213017).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 101212983 and 101213001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101213017) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 453759 + ... + 453981.

It is an arithmetic number, because the mean of its divisors is an integer number (2894640).

Almost surely, 2^101213010 is an apocalyptic number.

101213010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 101213010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138942720).

101213010 is an abundant number, since it is smaller than the sum of its proper divisors (176672430).

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

101213010 is a wasteful number, since it uses less digits than its factorization.

101213010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 101213010 is about 10060.4676829658. The cubic root of 101213010 is about 466.0281101993.

Adding to 101213010 its reverse (10312101), we get a palindrome (111525111).

Subtracting from 101213010 its reverse (10312101), we obtain a palindrome (90900909).

It can be divided in two parts, 10121 and 3010, that added together give a palindrome (13131).

The spelling of 101213010 in words is "one hundred one million, two hundred thirteen thousand, ten".