101021002001212 has 24 divisors (see below), whose sum is σ = 183049560484560. Its totient is φ = 48724303044480.

The previous prime is 101021002001177. The next prime is 101021002001219. The reversal of 101021002001212 is 212100200120101.

It is a super-3 number, since 3×101021002001212³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101021002001192 and 101021002001201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101021002001219) 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, 396805614 + ... + 397060117.

It is an arithmetic number, because the mean of its divisors is an integer number (7627065020190).

Almost surely, 2^{101021002001212} is an apocalyptic number.

It is an amenable number.

101021002001212 is a deficient number, since it is larger than the sum of its proper divisors (82028558483348).

101021002001212 is a wasteful number, since it uses less digits than its factorization.

101021002001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793866861 (or 793866859 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 101021002001212 its reverse (212100200120101), we get a palindrome (313121202121313).

The spelling of 101021002001212 in words is "one hundred one trillion, twenty-one billion, two million, one thousand, two hundred twelve".