101201010121012 has 6 divisors (see below), whose sum is σ = 177101767711778. Its totient is φ = 50600505060504.

The previous prime is 101201010120989. The next prime is 101201010121031. The reversal of 101201010121012 is 210121010102101.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 99210444677136 + 1990565443876 = 9960444^2 + 1410874^2 .

It is a super-3 number, since 3×101201010121012³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101201010120983 and 101201010121001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12650126265123 + ... + 12650126265130.

Almost surely, 2^{101201010121012} is an apocalyptic number.

It is an amenable number.

101201010121012 is a deficient number, since it is larger than the sum of its proper divisors (75900757590766).

101201010121012 is a wasteful number, since it uses less digits than its factorization.

101201010121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25300252530257 (or 25300252530255 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 101201010121012 its reverse (210121010102101), we get a palindrome (311322020223113).

The spelling of 101201010121012 in words is "one hundred one trillion, two hundred one billion, ten million, one hundred twenty-one thousand, twelve".