101202012 has 36 divisors (see below), whose sum is σ = 257524176. Its totient is φ = 33508800.

The previous prime is 101201953. The next prime is 101202019. The reversal of 101202012 is 210202101.

It is a tau number, because it is divible by the number of its divisors (36).

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 = 101201985 and 101202003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101202019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3873 + ... + 14744.

Almost surely, 2^101202012 is an apocalyptic number.

101202012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101202012 is an abundant number, since it is smaller than the sum of its proper divisors (156322164).

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

101202012 is a wasteful number, since it uses less digits than its factorization.

101202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18778 (or 18773 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 101202012 is about 10059.9210732490. The cubic root of 101202012 is about 466.0112297514.

Adding to 101202012 its reverse (210202101), we get a palindrome (311404113).

The spelling of 101202012 in words is "one hundred one million, two hundred two thousand, twelve".