1010101512 has 64 divisors (see below), whose sum is σ = 3055777920. Its totient is φ = 271623168.

The previous prime is 1010101493. The next prime is 1010101567. The reversal of 1010101512 is 2151010101.

It is a super-2 number, since 2×1010101512² = 2040610129089372288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 173983 + ... + 179694.

It is an arithmetic number, because the mean of its divisors is an integer number (47746530).

Almost surely, 2^1010101512 is an apocalyptic number.

1010101512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1010101512 is an abundant number, since it is smaller than the sum of its proper divisors (2045676408).

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

1010101512 is a wasteful number, since it uses less digits than its factorization.

1010101512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353710 (or 353706 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 12.

The square root of 1010101512 is about 31782.0942041270. The cubic root of 1010101512 is about 1003.3558960304.

Adding to 1010101512 its reverse (2151010101), we get a palindrome (3161111613).

The spelling of 1010101512 in words is "one billion, ten million, one hundred one thousand, five hundred twelve".