1012121132310 has 96 divisors (see below), whose sum is σ = 2701137741120. Its totient is φ = 262845792000.

The previous prime is 1012121132291. The next prime is 1012121132311. The reversal of 1012121132310 is 132311212101.

1012121132310 is a `hidden beast` number, since 1 + 0 + 121 + 211 + 323 + 10 = 666.

It is a super-2 number, since 2×1012121132310² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012121132311) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 358170 + ... + 1467149.

It is an arithmetic number, because the mean of its divisors is an integer number (28136851470).

Almost surely, 2^{1012121132310} is an apocalyptic number.

1012121132310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012121132310 is an abundant number, since it is smaller than the sum of its proper divisors (1689016608810).

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

1012121132310 is a wasteful number, since it uses less digits than its factorization.

1012121132310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1825494 (or 1825491 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1012121132310 its reverse (132311212101), we get a palindrome (1144432344411).

The spelling of 1012121132310 in words is "one trillion, twelve billion, one hundred twenty-one million, one hundred thirty-two thousand, three hundred ten".