101212001 has 8 divisors (see below), whose sum is σ = 114220800. Its totient is φ = 88837840.

The previous prime is 101211967. The next prime is 101212003. The reversal of 101212001 is 100212101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101212001 - 2¹⁴ = 101195617 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101212001.

It is not an unprimeable number, because it can be changed into a prime (101212003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158321 + ... + 158958.

It is an arithmetic number, because the mean of its divisors is an integer number (14277600).

Almost surely, 2^101212001 is an apocalyptic number.

101212001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

101212001 is a deficient number, since it is larger than the sum of its proper divisors (13008799).

101212001 is a wasteful number, since it uses less digits than its factorization.

101212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317319.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 101212001 is about 10060.4175360668. The cubic root of 101212001 is about 466.0265615712.

Adding to 101212001 its reverse (100212101), we get a palindrome (201424102).

The spelling of 101212001 in words is "one hundred one million, two hundred twelve thousand, one".