101212055611500 has 48 divisors (see below), whose sum is σ = 294729505945056. Its totient is φ = 26989881496000.

The previous prime is 101212055611463. The next prime is 101212055611573. The reversal of 101212055611500 is 5116550212101.

It is a super-2 number, since 2×101212055611500² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33737350371 + ... + 33737353370.

It is an arithmetic number, because the mean of its divisors is an integer number (6140198040522).

Almost surely, 2^{101212055611500} is an apocalyptic number.

101212055611500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101212055611500 is an abundant number, since it is smaller than the sum of its proper divisors (193517450333556).

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

101212055611500 is a wasteful number, since it uses less digits than its factorization.

101212055611500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67474703763 (or 67474703751 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 30.

The spelling of 101212055611500 in words is "one hundred one trillion, two hundred twelve billion, fifty-five million, six hundred eleven thousand, five hundred".