101212122030 has 32 divisors (see below), whose sum is σ = 243023234688. Its totient is φ = 26977216800.

The previous prime is 101212121977. The next prime is 101212122041. The reversal of 101212122030 is 30221212101.

It is a super-2 number, since 2×101212122030² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

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, 727656 + ... + 855515.

It is an arithmetic number, because the mean of its divisors is an integer number (7594476084).

Almost surely, 2^101212122030 is an apocalyptic number.

101212122030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101212122030 is an abundant number, since it is smaller than the sum of its proper divisors (141811112658).

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

101212122030 is a wasteful number, since it uses less digits than its factorization.

101212122030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1585312.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 101212122030 its reverse (30221212101), we get a palindrome (131433334131).

The spelling of 101212122030 in words is "one hundred one billion, two hundred twelve million, one hundred twenty-two thousand, thirty".